18201868

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{2707}}^1$

素因数の和:2793

約数の個数: 18

約数和(自身を含む): 32661188

約数和(自身を除く): 14459320

約数列:

[1, 2, 4, 41, 82, 164, 1681, 2707, 3362, 5414, 6724, 10828, 110987, 221974, 443948, 4550467, 9100934, 18201868]

約数ペア:

[(1, 18201868), (2, 9100934), (4, 4550467), (41, 443948), (82, 221974), (164, 110987), (1681, 10828), (2707, 6724), (3362, 5414)]