18243148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 22254260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 971, 1342, 1708, 1942, 2684, 3884, 4697, 6797, 9394, 10681, 13594, 18788, 21362, 27188, 42724, 59231, 74767, 118462, 149534, 236924, 299068, 414617, 651541, 829234, 1303082, 1658468, 2606164, 4560787, 9121574, 18243148]

約数ペア:

[(1, 18243148), (2, 9121574), (4, 4560787), (7, 2606164), (11, 1658468), (14, 1303082), (22, 829234), (28, 651541), (44, 414617), (61, 299068), (77, 236924), (122, 149534), (154, 118462), (244, 74767), (308, 59231), (427, 42724), (671, 27188), (854, 21362), (971, 18788), (1342, 13594), (1708, 10681), (1942, 9394), (2684, 6797), (3884, 4697)]