18220031

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1310

約数の個数: 12

約数和(自身を含む): 19714464

約数和(自身を除く): 1494433

約数列:

[1, 19, 41, 361, 779, 1231, 14801, 23389, 50471, 444391, 958949, 18220031]

約数ペア:

[(1, 18220031), (19, 958949), (41, 444391), (361, 50471), (779, 23389), (1231, 14801)]