19571222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2549}}^1$

素因数の和:2911

約数の個数: 16

約数和(自身を含む): 32130000

約数和(自身を除く): 12558778

約数列:

[1, 2, 11, 22, 349, 698, 2549, 3839, 5098, 7678, 28039, 56078, 889601, 1779202, 9785611, 19571222]

約数ペア:

[(1, 19571222), (2, 9785611), (11, 1779202), (22, 889601), (349, 56078), (698, 28039), (2549, 7678), (3839, 5098)]