18798787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3853}}^1$

素因数の和:3918

約数の個数: 16

約数和(自身を含む): 23308992

約数和(自身を除く): 4510205

約数列:

[1, 7, 17, 41, 119, 287, 697, 3853, 4879, 26971, 65501, 157973, 458507, 1105811, 2685541, 18798787]

約数ペア:

[(1, 18798787), (7, 2685541), (17, 1105811), (41, 458507), (119, 157973), (287, 65501), (697, 26971), (3853, 4879)]