18419740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48473}}^1$

素因数の和:48501

約数の個数: 24

約数和(自身を含む): 40718160

約数和(自身を除く): 22298420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48473, 96946, 193892, 242365, 484730, 920987, 969460, 1841974, 3683948, 4604935, 9209870, 18419740]

約数ペア:

[(1, 18419740), (2, 9209870), (4, 4604935), (5, 3683948), (10, 1841974), (19, 969460), (20, 920987), (38, 484730), (76, 242365), (95, 193892), (190, 96946), (380, 48473)]