18259305

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28309}}^1$

素因数の和:28360

約数の個数: 16

約数和(自身を含む): 29895360

約数和(自身を除く): 11636055

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28309, 84927, 141545, 424635, 1217287, 3651861, 6086435, 18259305]

約数ペア:

[(1, 18259305), (3, 6086435), (5, 3651861), (15, 1217287), (43, 424635), (129, 141545), (215, 84927), (645, 28309)]