20118682

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1061}}^1$

素因数の和:1581

約数の個数: 16

約数和(自身を含む): 31860000

約数和(自身を除く): 11741318

約数列:

[1, 2, 19, 38, 499, 998, 1061, 2122, 9481, 18962, 20159, 40318, 529439, 1058878, 10059341, 20118682]

約数ペア:

[(1, 20118682), (2, 10059341), (19, 1058878), (38, 529439), (499, 40318), (998, 20159), (1061, 18962), (2122, 9481)]