18246405

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28289}}^1$

素因数の和:28340

約数の個数: 16

約数和(自身を含む): 29874240

約数和(自身を除く): 11627835

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28289, 84867, 141445, 424335, 1216427, 3649281, 6082135, 18246405]

約数ペア:

[(1, 18246405), (3, 6082135), (5, 3649281), (15, 1216427), (43, 424335), (129, 141445), (215, 84867), (645, 28289)]