18419220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102329}}^1$

素因数の和:102344

約数の個数: 36

約数和(自身を含む): 55872180

約数和(自身を除く): 37452960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102329, 204658, 306987, 409316, 511645, 613974, 920961, 1023290, 1227948, 1534935, 1841922, 2046580, 3069870, 3683844, 4604805, 6139740, 9209610, 18419220]

約数ペア:

[(1, 18419220), (2, 9209610), (3, 6139740), (4, 4604805), (5, 3683844), (6, 3069870), (9, 2046580), (10, 1841922), (12, 1534935), (15, 1227948), (18, 1023290), (20, 920961), (30, 613974), (36, 511645), (45, 409316), (60, 306987), (90, 204658), (180, 102329)]