18884140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85837}}^1$

素因数の和:85857

約数の個数: 24

約数和(自身を含む): 43262352

約数和(自身を除く): 24378212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85837, 171674, 343348, 429185, 858370, 944207, 1716740, 1888414, 3776828, 4721035, 9442070, 18884140]

約数ペア:

[(1, 18884140), (2, 9442070), (4, 4721035), (5, 3776828), (10, 1888414), (11, 1716740), (20, 944207), (22, 858370), (44, 429185), (55, 343348), (110, 171674), (220, 85837)]