18789878

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1879

約数の個数: 16

約数和(自身を含む): 29012256

約数和(自身を除く): 10222378

約数列:

[1, 2, 53, 103, 106, 206, 1721, 3442, 5459, 10918, 91213, 177263, 182426, 354526, 9394939, 18789878]

約数ペア:

[(1, 18789878), (2, 9394939), (53, 354526), (103, 182426), (106, 177263), (206, 91213), (1721, 10918), (3442, 5459)]