18974390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{46279}}^1$

素因数の和:46327

約数の個数: 16

約数和(自身を含む): 34987680

約数和(自身を除く): 16013290

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 46279, 92558, 231395, 462790, 1897439, 3794878, 9487195, 18974390]

約数ペア:

[(1, 18974390), (2, 9487195), (5, 3794878), (10, 1897439), (41, 462790), (82, 231395), (205, 92558), (410, 46279)]