18021731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6829}}^1$

素因数の和:6878

約数の個数: 16

約数和(自身を含む): 22948800

約数和(自身を除く): 4927069

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 6829, 47803, 88777, 198041, 621439, 1386287, 2574533, 18021731]

約数ペア:

[(1, 18021731), (7, 2574533), (13, 1386287), (29, 621439), (91, 198041), (203, 88777), (377, 47803), (2639, 6829)]