18809120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10687}}^1$

素因数の和:10713

約数の個数: 48

約数和(自身を含む): 48480768

約数和(自身を除く): 29671648

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, 10687, 21374, 42748, 53435, 85496, 106870, 117557, 170992, 213740, 235114, 341984, 427480, 470228, 587785, 854960, 940456, 1175570, 1709920, 1880912, 2351140, 3761824, 4702280, 9404560, 18809120]

約数ペア:

[(1, 18809120), (2, 9404560), (4, 4702280), (5, 3761824), (8, 2351140), (10, 1880912), (11, 1709920), (16, 1175570), (20, 940456), (22, 854960), (32, 587785), (40, 470228), (44, 427480), (55, 341984), (80, 235114), (88, 213740), (110, 170992), (160, 117557), (176, 106870), (220, 85496), (352, 53435), (440, 42748), (880, 21374), (1760, 10687)]