18680151

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3691}}^1$

素因数の和:3942

約数の個数: 16

約数和(自身を含む): 28590848

約数和(自身を除く): 9910697

約数列:

[1, 3, 7, 21, 241, 723, 1687, 3691, 5061, 11073, 25837, 77511, 889531, 2668593, 6226717, 18680151]

約数ペア:

[(1, 18680151), (3, 6226717), (7, 2668593), (21, 889531), (241, 77511), (723, 25837), (1687, 11073), (3691, 5061)]