18742196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{425959}}^1$

素因数の和:425974

約数の個数: 12

約数和(自身を含む): 35780640

約数和(自身を除く): 17038444

約数列:

[1, 2, 4, 11, 22, 44, 425959, 851918, 1703836, 4685549, 9371098, 18742196]

約数ペア:

[(1, 18742196), (2, 9371098), (4, 4685549), (11, 1703836), (22, 851918), (44, 425959)]