19994615396

素因数分解:

$2^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1611949}}^1$

素因数の和:1612403

約数の個数: 24

約数和(自身を含む): 40079524800

約数和(自身を除く): 20084909404

約数列:

[1, 2, 4, 7, 14, 28, 443, 886, 1772, 3101, 6202, 12404, 1611949, 3223898, 6447796, 11283643, 22567286, 45134572, 714093407, 1428186814, 2856373628, 4998653849, 9997307698, 19994615396]

約数ペア:

[(1, 19994615396), (2, 9997307698), (4, 4998653849), (7, 2856373628), (14, 1428186814), (28, 714093407), (443, 45134572), (886, 22567286), (1772, 11283643), (3101, 6447796), (6202, 3223898), (12404, 1611949)]