19965827

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{7901}}^1$

素因数の和:7946

約数の個数: 12

約数和(自身を含む): 24085296

約数和(自身を除く): 4119469

約数列:

[1, 7, 19, 133, 361, 2527, 7901, 55307, 150119, 1050833, 2852261, 19965827]

約数ペア:

[(1, 19965827), (7, 2852261), (19, 1050833), (133, 150119), (361, 55307), (2527, 7901)]