12001996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 22400000

約数和(自身を除く): 10398004

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 1999, 3002, 3998, 6004, 7996, 37981, 75962, 151924, 157921, 315842, 631684, 3000499, 6000998, 12001996]

約数ペア:

[(1, 12001996), (2, 6000998), (4, 3000499), (19, 631684), (38, 315842), (76, 157921), (79, 151924), (158, 75962), (316, 37981), (1501, 7996), (1999, 6004), (3002, 3998)]