18231969

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1699}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 28682400

約数和(自身を除く): 10450431

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1699, 3577, 5097, 10731, 11893, 35679, 83251, 124027, 249753, 372081, 868189, 2604567, 6077323, 18231969]

約数ペア:

[(1, 18231969), (3, 6077323), (7, 2604567), (21, 868189), (49, 372081), (73, 249753), (147, 124027), (219, 83251), (511, 35679), (1533, 11893), (1699, 10731), (3577, 5097)]