19498970

素因数分解:

$2^1\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2081}}^1$

素因数の和:3025

約数の個数: 16

約数和(自身を含む): 35152488

約数和(自身を除く): 15653518

約数列:

[1, 2, 5, 10, 937, 1874, 2081, 4162, 4685, 9370, 10405, 20810, 1949897, 3899794, 9749485, 19498970]

約数ペア:

[(1, 19498970), (2, 9749485), (5, 3899794), (10, 1949897), (937, 20810), (1874, 10405), (2081, 9370), (4162, 4685)]