19991004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{563}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 31175076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 269, 538, 563, 807, 1076, 1126, 1614, 1689, 2252, 2959, 3228, 3378, 5918, 6193, 6756, 8877, 11836, 12386, 17754, 18579, 24772, 35508, 37158, 74316, 151447, 302894, 454341, 605788, 908682, 1665917, 1817364, 3331834, 4997751, 6663668, 9995502, 19991004]

約数ペア:

[(1, 19991004), (2, 9995502), (3, 6663668), (4, 4997751), (6, 3331834), (11, 1817364), (12, 1665917), (22, 908682), (33, 605788), (44, 454341), (66, 302894), (132, 151447), (269, 74316), (538, 37158), (563, 35508), (807, 24772), (1076, 18579), (1126, 17754), (1614, 12386), (1689, 11836), (2252, 8877), (2959, 6756), (3228, 6193), (3378, 5918)]