18870520112

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{2447}}^1\times {\mathrm{5807}}^1$

素因数の和:8345

約数の個数: 40

約数和(自身を含む): 37023630336

約数和(自身を除く): 18153110224

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 2447, 4894, 5807, 9788, 11614, 19576, 23228, 39152, 46456, 92912, 203101, 406202, 481981, 812404, 963962, 1624808, 1927924, 3249616, 3855848, 7711696, 14209729, 28419458, 56838916, 113677832, 227355664, 1179407507, 2358815014, 4717630028, 9435260056, 18870520112]

約数ペア:

[(1, 18870520112), (2, 9435260056), (4, 4717630028), (8, 2358815014), (16, 1179407507), (83, 227355664), (166, 113677832), (332, 56838916), (664, 28419458), (1328, 14209729), (2447, 7711696), (4894, 3855848), (5807, 3249616), (9788, 1927924), (11614, 1624808), (19576, 963962), (23228, 812404), (39152, 481981), (46456, 406202), (92912, 203101)]