18335421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2339}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 28959840

約数和(自身を除く): 10624419

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2339, 2613, 7017, 7839, 21051, 30407, 91221, 156713, 273663, 470139, 1410417, 2037269, 6111807, 18335421]

約数ペア:

[(1, 18335421), (3, 6111807), (9, 2037269), (13, 1410417), (39, 470139), (67, 273663), (117, 156713), (201, 91221), (603, 30407), (871, 21051), (2339, 7839), (2613, 7017)]