18485061

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1987}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 28245504

約数和(自身を除く): 9760443

約数列:

[1, 3, 7, 21, 443, 1329, 1987, 3101, 5961, 9303, 13909, 41727, 880241, 2640723, 6161687, 18485061]

約数ペア:

[(1, 18485061), (3, 6161687), (7, 2640723), (21, 880241), (443, 41727), (1329, 13909), (1987, 9303), (3101, 5961)]