16986988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 31615920

約数和(自身を除く): 14628932

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2213, 3838, 4426, 7676, 8852, 42047, 84094, 168188, 223513, 447026, 894052, 4246747, 8493494, 16986988]

約数ペア:

[(1, 16986988), (2, 8493494), (4, 4246747), (19, 894052), (38, 447026), (76, 223513), (101, 168188), (202, 84094), (404, 42047), (1919, 8852), (2213, 7676), (3838, 4426)]