19656857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 22125312

約数和(自身を除く): 2468455

約数列:

[1, 11, 47, 193, 197, 517, 2123, 2167, 9071, 9259, 38021, 99781, 101849, 418231, 1786987, 19656857]

約数ペア:

[(1, 19656857), (11, 1786987), (47, 418231), (193, 101849), (197, 99781), (517, 38021), (2123, 9259), (2167, 9071)]