20180855312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74194321}}^1$

素因数の和:74194346

約数の個数: 20

約数和(自身を含む): 41400431676

約数和(自身を除く): 21219576364

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74194321, 148388642, 296777284, 593554568, 1187109136, 1261303457, 2522606914, 5045213828, 10090427656, 20180855312]

約数ペア:

[(1, 20180855312), (2, 10090427656), (4, 5045213828), (8, 2522606914), (16, 1261303457), (17, 1187109136), (34, 593554568), (68, 296777284), (136, 148388642), (272, 74194321)]