17941220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81551}}^1$

素因数の和:81571

約数の個数: 24

約数和(自身を含む): 41102208

約数和(自身を除く): 23160988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81551, 163102, 326204, 407755, 815510, 897061, 1631020, 1794122, 3588244, 4485305, 8970610, 17941220]

約数ペア:

[(1, 17941220), (2, 8970610), (4, 4485305), (5, 3588244), (10, 1794122), (11, 1631020), (20, 897061), (22, 815510), (44, 407755), (55, 326204), (110, 163102), (220, 81551)]