18672280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42437}}^1$

素因数の和:42459

約数の個数: 32

約数和(自身を含む): 45833040

約数和(自身を除く): 27160760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42437, 84874, 169748, 212185, 339496, 424370, 466807, 848740, 933614, 1697480, 1867228, 2334035, 3734456, 4668070, 9336140, 18672280]

約数ペア:

[(1, 18672280), (2, 9336140), (4, 4668070), (5, 3734456), (8, 2334035), (10, 1867228), (11, 1697480), (20, 933614), (22, 848740), (40, 466807), (44, 424370), (55, 339496), (88, 212185), (110, 169748), (220, 84874), (440, 42437)]