18772424

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 40582080

約数和(自身を除く): 21809656

約数列:

[1, 2, 4, 8, 11, 22, 41, 43, 44, 82, 86, 88, 121, 164, 172, 242, 328, 344, 451, 473, 484, 902, 946, 968, 1331, 1763, 1804, 1892, 2662, 3526, 3608, 3784, 4961, 5203, 5324, 7052, 9922, 10406, 10648, 14104, 19393, 19844, 20812, 38786, 39688, 41624, 54571, 57233, 77572, 109142, 114466, 155144, 213323, 218284, 228932, 426646, 436568, 457864, 853292, 1706584, 2346553, 4693106, 9386212, 18772424]

約数ペア:

[(1, 18772424), (2, 9386212), (4, 4693106), (8, 2346553), (11, 1706584), (22, 853292), (41, 457864), (43, 436568), (44, 426646), (82, 228932), (86, 218284), (88, 213323), (121, 155144), (164, 114466), (172, 109142), (242, 77572), (328, 57233), (344, 54571), (451, 41624), (473, 39688), (484, 38786), (902, 20812), (946, 19844), (968, 19393), (1331, 14104), (1763, 10648), (1804, 10406), (1892, 9922), (2662, 7052), (3526, 5324), (3608, 5203), (3784, 4961)]