2018768176

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{405701}}^1$

素因数の和:406020

約数の個数: 20

約数和(自身を含む): 3923949744

約数和(自身を除く): 1905181568

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 405701, 811402, 1622804, 3245608, 6491216, 126173011, 252346022, 504692044, 1009384088, 2018768176]

約数ペア:

[(1, 2018768176), (2, 1009384088), (4, 504692044), (8, 252346022), (16, 126173011), (311, 6491216), (622, 3245608), (1244, 1622804), (2488, 811402), (4976, 405701)]