No whole numbers with evenly equal 19. So the closest would be 3.8 x 5 or 4 x 4.75.
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This Is a Certified Answer

19 is prime meaning that only 1 and itself can multiply to get that number (excluding decimals and fractions)
so the answer would be 1 times 19

or if you want to multiply by a fraction to divide you could do
38 times 1/2=19
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