18645748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6947}}^1$

素因数の和:7023

約数の個数: 24

約数和(自身を含む): 36185184

約数和(自身を除く): 17539436

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6947, 13894, 27788, 76417, 152834, 305668, 423767, 847534, 1695068, 4661437, 9322874, 18645748]

約数ペア:

[(1, 18645748), (2, 9322874), (4, 4661437), (11, 1695068), (22, 847534), (44, 423767), (61, 305668), (122, 152834), (244, 76417), (671, 27788), (1342, 13894), (2684, 6947)]