18583840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10559}}^1$

素因数の和:10585

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 29316320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10559, 21118, 42236, 52795, 84472, 105590, 116149, 168944, 211180, 232298, 337888, 422360, 464596, 580745, 844720, 929192, 1161490, 1689440, 1858384, 2322980, 3716768, 4645960, 9291920, 18583840]

約数ペア:

[(1, 18583840), (2, 9291920), (4, 4645960), (5, 3716768), (8, 2322980), (10, 1858384), (11, 1689440), (16, 1161490), (20, 929192), (22, 844720), (32, 580745), (40, 464596), (44, 422360), (55, 337888), (80, 232298), (88, 211180), (110, 168944), (160, 116149), (176, 105590), (220, 84472), (352, 52795), (440, 42236), (880, 21118), (1760, 10559)]