18813740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85517}}^1$

素因数の和:85537

約数の個数: 24

約数和(自身を含む): 43101072

約数和(自身を除く): 24287332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85517, 171034, 342068, 427585, 855170, 940687, 1710340, 1881374, 3762748, 4703435, 9406870, 18813740]

約数ペア:

[(1, 18813740), (2, 9406870), (4, 4703435), (5, 3762748), (10, 1881374), (11, 1710340), (20, 940687), (22, 855170), (44, 427585), (55, 342068), (110, 171034), (220, 85517)]