18403427

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 22121472

約数和(自身を除く): 3718045

約数列:

[1, 7, 23, 151, 161, 757, 1057, 3473, 5299, 17411, 24311, 114307, 121877, 800149, 2629061, 18403427]

約数ペア:

[(1, 18403427), (7, 2629061), (23, 800149), (151, 121877), (161, 114307), (757, 24311), (1057, 17411), (3473, 5299)]