18783931342

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77619551}}^1$

素因数の和:77619575

約数の個数: 12

約数和(自身を含む): 30970201248

約数和(自身を除く): 12186269906

約数列:

[1, 2, 11, 22, 121, 242, 77619551, 155239102, 853815061, 1707630122, 9391965671, 18783931342]

約数ペア:

[(1, 18783931342), (2, 9391965671), (11, 1707630122), (22, 853815061), (121, 155239102), (242, 77619551)]