18983951

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5501}}^1$

素因数の和:5554

約数の個数: 16

約数和(自身を含む): 23768640

約数和(自身を除く): 4784689

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5501, 38507, 93517, 159529, 654619, 1116703, 2711993, 18983951]

約数ペア:

[(1, 18983951), (7, 2711993), (17, 1116703), (29, 654619), (119, 159529), (203, 93517), (493, 38507), (3451, 5501)]