19758116

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1999}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 39648000

約数和(自身を除く): 19889884

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 1999, 2471, 3998, 4942, 7996, 9884, 13993, 27986, 55972, 705647, 1411294, 2822588, 4939529, 9879058, 19758116]

約数ペア:

[(1, 19758116), (2, 9879058), (4, 4939529), (7, 2822588), (14, 1411294), (28, 705647), (353, 55972), (706, 27986), (1412, 13993), (1999, 9884), (2471, 7996), (3998, 4942)]