19890088

素因数分解:

$2^3\times {\mathrm{887}}^1\times {\mathrm{2803}}^1$

素因数の和:3696

約数の個数: 16

約数和(自身を含む): 37349280

約数和(自身を除く): 17459192

約数列:

[1, 2, 4, 8, 887, 1774, 2803, 3548, 5606, 7096, 11212, 22424, 2486261, 4972522, 9945044, 19890088]

約数ペア:

[(1, 19890088), (2, 9945044), (4, 4972522), (8, 2486261), (887, 22424), (1774, 11212), (2803, 7096), (3548, 5606)]