18781796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{426859}}^1$

素因数の和:426874

約数の個数: 12

約数和(自身を含む): 35856240

約数和(自身を除く): 17074444

約数列:

[1, 2, 4, 11, 22, 44, 426859, 853718, 1707436, 4695449, 9390898, 18781796]

約数ペア:

[(1, 18781796), (2, 9390898), (4, 4695449), (11, 1707436), (22, 853718), (44, 426859)]