18742381

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5431}}^1$

素因数の和:5484

約数の個数: 16

約数和(自身を含む): 23466240

約数和(自身を除く): 4723859

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5431, 38017, 92327, 157499, 646289, 1102493, 2677483, 18742381]

約数ペア:

[(1, 18742381), (7, 2677483), (17, 1102493), (29, 646289), (119, 157499), (203, 92327), (493, 38017), (3451, 5431)]