19821812

素因数分解:

$2^2\times {\mathrm{1409}}^1\times {\mathrm{3517}}^1$

素因数の和:4930

約数の個数: 12

約数和(自身を含む): 34722660

約数和(自身を除く): 14900848

約数列:

[1, 2, 4, 1409, 2818, 3517, 5636, 7034, 14068, 4955453, 9910906, 19821812]

約数ペア:

[(1, 19821812), (2, 9910906), (4, 4955453), (1409, 14068), (2818, 7034), (3517, 5636)]