19961383

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2274

約数の個数: 16

約数和(自身を含む): 23327136

約数和(自身を除く): 3365753

約数列:

[1, 13, 17, 41, 221, 533, 697, 2203, 9061, 28639, 37451, 90323, 486863, 1174199, 1535491, 19961383]

約数ペア:

[(1, 19961383), (13, 1535491), (17, 1174199), (41, 486863), (221, 90323), (533, 37451), (697, 28639), (2203, 9061)]