15919216

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{9851}}^1$

素因数の和:9960

約数の個数: 20

約数和(自身を含む): 31152024

約数和(自身を除く): 15232808

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 9851, 19702, 39404, 78808, 157616, 994951, 1989902, 3979804, 7959608, 15919216]

約数ペア:

[(1, 15919216), (2, 7959608), (4, 3979804), (8, 1989902), (16, 994951), (101, 157616), (202, 78808), (404, 39404), (808, 19702), (1616, 9851)]