18308840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41611}}^1$

素因数の和:41633

約数の個数: 32

約数和(自身を含む): 44940960

約数和(自身を除く): 26632120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41611, 83222, 166444, 208055, 332888, 416110, 457721, 832220, 915442, 1664440, 1830884, 2288605, 3661768, 4577210, 9154420, 18308840]

約数ペア:

[(1, 18308840), (2, 9154420), (4, 4577210), (5, 3661768), (8, 2288605), (10, 1830884), (11, 1664440), (20, 915442), (22, 832220), (40, 457721), (44, 416110), (55, 332888), (88, 208055), (110, 166444), (220, 83222), (440, 41611)]