18398547

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 27268800

約数和(自身を除く): 8870253

約数列:

[1, 3, 9, 79, 113, 229, 237, 339, 687, 711, 1017, 2061, 8927, 18091, 25877, 26781, 54273, 77631, 80343, 162819, 232893, 2044283, 6132849, 18398547]

約数ペア:

[(1, 18398547), (3, 6132849), (9, 2044283), (79, 232893), (113, 162819), (229, 80343), (237, 77631), (339, 54273), (687, 26781), (711, 25877), (1017, 18091), (2061, 8927)]