18187005

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17077}}^1$

素因数の和:17156

約数の個数: 16

約数和(自身を含む): 29510784

約数和(自身を除く): 11323779

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 17077, 51231, 85385, 256155, 1212467, 3637401, 6062335, 18187005]

約数ペア:

[(1, 18187005), (3, 6062335), (5, 3637401), (15, 1212467), (71, 256155), (213, 85385), (355, 51231), (1065, 17077)]