18748677

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2521}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 26067392

約数和(自身を除く): 7318715

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2521, 7437, 7563, 93277, 168907, 279831, 506721, 6249559, 18748677]

約数ペア:

[(1, 18748677), (3, 6249559), (37, 506721), (67, 279831), (111, 168907), (201, 93277), (2479, 7563), (2521, 7437)]