18395819

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 22267440

約数和(自身を除く): 3871621

約数列:

[1, 13, 17, 19, 169, 221, 247, 323, 337, 2873, 3211, 4199, 4381, 5729, 6403, 54587, 56953, 74477, 83239, 108851, 968201, 1082107, 1415063, 18395819]

約数ペア:

[(1, 18395819), (13, 1415063), (17, 1082107), (19, 968201), (169, 108851), (221, 83239), (247, 74477), (323, 56953), (337, 54587), (2873, 6403), (3211, 5729), (4199, 4381)]