19999833

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7499}}^1$

素因数の和:7636

約数の個数: 16

約数和(自身を含む): 30720000

約数和(自身を除く): 10720167

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7499, 22497, 52493, 157479, 952373, 2857119, 6666611, 19999833]

約数ペア:

[(1, 19999833), (3, 6666611), (7, 2857119), (21, 952373), (127, 157479), (381, 52493), (889, 22497), (2667, 7499)]