18188145

素因数分解:

$3^4\times 5^1\times {\mathrm{44909}}^1$

素因数の和:44926

約数の個数: 20

約数和(自身を含む): 32604660

約数和(自身を除く): 14416515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44909, 134727, 224545, 404181, 673635, 1212543, 2020905, 3637629, 6062715, 18188145]

約数ペア:

[(1, 18188145), (3, 6062715), (5, 3637629), (9, 2020905), (15, 1212543), (27, 673635), (45, 404181), (81, 224545), (135, 134727), (405, 44909)]