19696622

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 24

約数和(自身を含む): 32718000

約数和(自身を除く): 13021378

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 409, 818, 2189, 4378, 4499, 8998, 24079, 48158, 49489, 81391, 98978, 162782, 895301, 1790602, 9848311, 19696622]

約数ペア:

[(1, 19696622), (2, 9848311), (11, 1790602), (22, 895301), (121, 162782), (199, 98978), (242, 81391), (398, 49489), (409, 48158), (818, 24079), (2189, 8998), (4378, 4499)]