15921808

素因数分解:

$2^4\times 7^1\times {\mathrm{142159}}^1$

素因数の和:142174

約数の個数: 20

約数和(自身を含む): 35255680

約数和(自身を除く): 19333872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 142159, 284318, 568636, 995113, 1137272, 1990226, 2274544, 3980452, 7960904, 15921808]

約数ペア:

[(1, 15921808), (2, 7960904), (4, 3980452), (7, 2274544), (8, 1990226), (14, 1137272), (16, 995113), (28, 568636), (56, 284318), (112, 142159)]