19990086

素因数分解:

$2^1\times 3^1\times {\mathrm{1601}}^1\times {\mathrm{2081}}^1$

素因数の和:3687

約数の個数: 16

約数和(自身を含む): 40024368

約数和(自身を除く): 20034282

約数列:

[1, 2, 3, 6, 1601, 2081, 3202, 4162, 4803, 6243, 9606, 12486, 3331681, 6663362, 9995043, 19990086]

約数ペア:

[(1, 19990086), (2, 9995043), (3, 6663362), (6, 3331681), (1601, 12486), (2081, 9606), (3202, 6243), (4162, 4803)]