18556994

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1429}}^1$

素因数の和:1625

約数の個数: 16

約数和(自身を含む): 28691520

約数和(自身を除く): 10134526

約数列:

[1, 2, 43, 86, 151, 302, 1429, 2858, 6493, 12986, 61447, 122894, 215779, 431558, 9278497, 18556994]

約数ペア:

[(1, 18556994), (2, 9278497), (43, 431558), (86, 215779), (151, 122894), (302, 61447), (1429, 12986), (2858, 6493)]