18789029

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3916

約数の個数: 16

約数和(自身を含む): 23296896

約数和(自身を除く): 4507867

約数列:

[1, 7, 17, 41, 119, 287, 697, 3851, 4879, 26957, 65467, 157891, 458269, 1105237, 2684147, 18789029]

約数ペア:

[(1, 18789029), (7, 2684147), (17, 1105237), (41, 458269), (119, 157891), (287, 65467), (697, 26957), (3851, 4879)]