18993670065

素因数分解:

$3^2\times 5^1\times {\mathrm{422081557}}^1$

素因数の和:422081568

約数の個数: 12

約数和(自身を含む): 32922361524

約数和(自身を除く): 13928691459

約数列:

[1, 3, 5, 9, 15, 45, 422081557, 1266244671, 2110407785, 3798734013, 6331223355, 18993670065]

約数ペア:

[(1, 18993670065), (3, 6331223355), (5, 3798734013), (9, 2110407785), (15, 1266244671), (45, 422081557)]