18404169

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6397}}^1$

素因数の和:6544

約数の個数: 16

約数和(自身を含む): 28253568

約数和(自身を除く): 9849399

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6397, 19191, 44779, 134337, 876389, 2629167, 6134723, 18404169]

約数ペア:

[(1, 18404169), (3, 6134723), (7, 2629167), (21, 876389), (137, 134337), (411, 44779), (959, 19191), (2877, 6397)]