18604520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42283}}^1$

素因数の和:42305

約数の個数: 32

約数和(自身を含む): 45666720

約数和(自身を除く): 27062200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42283, 84566, 169132, 211415, 338264, 422830, 465113, 845660, 930226, 1691320, 1860452, 2325565, 3720904, 4651130, 9302260, 18604520]

約数ペア:

[(1, 18604520), (2, 9302260), (4, 4651130), (5, 3720904), (8, 2325565), (10, 1860452), (11, 1691320), (20, 930226), (22, 845660), (40, 465113), (44, 422830), (55, 338264), (88, 211415), (110, 169132), (220, 84566), (440, 42283)]