19727158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6451}}^1$

素因数の和:6603

約数の個数: 16

約数和(自身を含む): 32518080

約数和(自身を除く): 12790922

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6451, 12902, 70961, 141922, 896689, 1793378, 9863579, 19727158]

約数ペア:

[(1, 19727158), (2, 9863579), (11, 1793378), (22, 896689), (139, 141922), (278, 70961), (1529, 12902), (3058, 6451)]