18135508

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 32840192

約数和(自身を除く): 14704684

約数列:

[1, 2, 4, 43, 86, 97, 172, 194, 388, 1087, 2174, 4171, 4348, 8342, 16684, 46741, 93482, 105439, 186964, 210878, 421756, 4533877, 9067754, 18135508]

約数ペア:

[(1, 18135508), (2, 9067754), (4, 4533877), (43, 421756), (86, 210878), (97, 186964), (172, 105439), (194, 93482), (388, 46741), (1087, 16684), (2174, 8342), (4171, 4348)]