19172912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2657}}^1$

素因数の和:2717

約数の個数: 40

約数和(自身を含む): 41528592

約数和(自身を除く): 22355680

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2657, 3608, 5314, 7216, 10628, 21256, 29227, 42512, 58454, 108937, 116908, 217874, 233816, 435748, 467632, 871496, 1198307, 1742992, 2396614, 4793228, 9586456, 19172912]

約数ペア:

[(1, 19172912), (2, 9586456), (4, 4793228), (8, 2396614), (11, 1742992), (16, 1198307), (22, 871496), (41, 467632), (44, 435748), (82, 233816), (88, 217874), (164, 116908), (176, 108937), (328, 58454), (451, 42512), (656, 29227), (902, 21256), (1804, 10628), (2657, 7216), (3608, 5314)]