18618621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52153}}^1$

素因数の和:52180

約数の個数: 16

約数和(自身を含む): 30040704

約数和(自身を除く): 11422083

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52153, 156459, 365071, 886601, 1095213, 2659803, 6206207, 18618621]

約数ペア:

[(1, 18618621), (3, 6206207), (7, 2659803), (17, 1095213), (21, 886601), (51, 365071), (119, 156459), (357, 52153)]