12673912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 25200000

約数和(自身を除く): 12526088

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 419, 796, 838, 1592, 1676, 3352, 3781, 7562, 7961, 15124, 15922, 30248, 31844, 63688, 83381, 166762, 333524, 667048, 1584239, 3168478, 6336956, 12673912]

約数ペア:

[(1, 12673912), (2, 6336956), (4, 3168478), (8, 1584239), (19, 667048), (38, 333524), (76, 166762), (152, 83381), (199, 63688), (398, 31844), (419, 30248), (796, 15922), (838, 15124), (1592, 7961), (1676, 7562), (3352, 3781)]