16993808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81701}}^1$

素因数の和:81722

約数の個数: 20

約数和(自身を含む): 35458668

約数和(自身を除く): 18464860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81701, 163402, 326804, 653608, 1062113, 1307216, 2124226, 4248452, 8496904, 16993808]

約数ペア:

[(1, 16993808), (2, 8496904), (4, 4248452), (8, 2124226), (13, 1307216), (16, 1062113), (26, 653608), (52, 326804), (104, 163402), (208, 81701)]