19695806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 13420354

約数列:

[1, 2, 13, 26, 43, 79, 86, 158, 223, 446, 559, 1027, 1118, 2054, 2899, 3397, 5798, 6794, 9589, 17617, 19178, 35234, 44161, 88322, 124657, 229021, 249314, 458042, 757531, 1515062, 9847903, 19695806]

約数ペア:

[(1, 19695806), (2, 9847903), (13, 1515062), (26, 757531), (43, 458042), (79, 249314), (86, 229021), (158, 124657), (223, 88322), (446, 44161), (559, 35234), (1027, 19178), (1118, 17617), (2054, 9589), (2899, 6794), (3397, 5798)]