18122216

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11159}}^1$

素因数の和:11201

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 22053784

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 11159, 22318, 44636, 78113, 89272, 156226, 312452, 323611, 624904, 647222, 1294444, 2265277, 2588888, 4530554, 9061108, 18122216]

約数ペア:

[(1, 18122216), (2, 9061108), (4, 4530554), (7, 2588888), (8, 2265277), (14, 1294444), (28, 647222), (29, 624904), (56, 323611), (58, 312452), (116, 156226), (203, 89272), (232, 78113), (406, 44636), (812, 22318), (1624, 11159)]