19991212

素因数分解:

$2^2\times {\mathrm{1753}}^1\times {\mathrm{2851}}^1$

素因数の和:4608

約数の個数: 12

約数和(自身を含む): 35016856

約数和(自身を除く): 15025644

約数列:

[1, 2, 4, 1753, 2851, 3506, 5702, 7012, 11404, 4997803, 9995606, 19991212]

約数ペア:

[(1, 19991212), (2, 9995606), (4, 4997803), (1753, 11404), (2851, 7012), (3506, 5702)]