18900065

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 23448528

約数和(自身を除く): 4548463

約数列:

[1, 5, 53, 73, 265, 365, 977, 3869, 4885, 19345, 51781, 71321, 258905, 356605, 3780013, 18900065]

約数ペア:

[(1, 18900065), (5, 3780013), (53, 356605), (73, 258905), (265, 71321), (365, 51781), (977, 19345), (3869, 4885)]