18118789

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 20258560

約数和(自身を除く): 2139771

約数列:

[1, 13, 37, 139, 271, 481, 1807, 3523, 5143, 10027, 37669, 66859, 130351, 489697, 1393753, 18118789]

約数ペア:

[(1, 18118789), (13, 1393753), (37, 489697), (139, 130351), (271, 66859), (481, 37669), (1807, 10027), (3523, 5143)]