19440012

素因数分解:

$2^2\times 3^1\times {\mathrm{1620001}}^1$

素因数の和:1620008

約数の個数: 12

約数和(自身を含む): 45360056

約数和(自身を除く): 25920044

約数列:

[1, 2, 3, 4, 6, 12, 1620001, 3240002, 4860003, 6480004, 9720006, 19440012]

約数ペア:

[(1, 19440012), (2, 9720006), (3, 6480004), (4, 4860003), (6, 3240002), (12, 1620001)]