19389392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 41997312

約数和(自身を除く): 22607920

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2687, 3608, 5374, 7216, 10748, 21496, 29557, 42992, 59114, 110167, 118228, 220334, 236456, 440668, 472912, 881336, 1211837, 1762672, 2423674, 4847348, 9694696, 19389392]

約数ペア:

[(1, 19389392), (2, 9694696), (4, 4847348), (8, 2423674), (11, 1762672), (16, 1211837), (22, 881336), (41, 472912), (44, 440668), (82, 236456), (88, 220334), (164, 118228), (176, 110167), (328, 59114), (451, 42992), (656, 29557), (902, 21496), (1804, 10748), (2687, 7216), (3608, 5374)]