19718146

素因数分解:

$2^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2693}}^1$

素因数の和:3225

約数の個数: 16

約数和(自身を含む): 33879744

約数和(自身を除く): 14161598

約数列:

[1, 2, 7, 14, 523, 1046, 2693, 3661, 5386, 7322, 18851, 37702, 1408439, 2816878, 9859073, 19718146]

約数ペア:

[(1, 19718146), (2, 9859073), (7, 2816878), (14, 1408439), (523, 37702), (1046, 18851), (2693, 7322), (3661, 5386)]