18408117

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67429}}^1$

素因数の和:67452

約数の個数: 16

約数和(自身を含む): 30208640

約数和(自身を除く): 11800523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 67429, 202287, 472003, 876577, 1416009, 2629731, 6136039, 18408117]

約数ペア:

[(1, 18408117), (3, 6136039), (7, 2629731), (13, 1416009), (21, 876577), (39, 472003), (91, 202287), (273, 67429)]