18066968

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{20719}}^1$

素因数の和:20834

約数の個数: 16

約数和(自身を含む): 34188000

約数和(自身を除く): 16121032

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 20719, 41438, 82876, 165752, 2258371, 4516742, 9033484, 18066968]

約数ペア:

[(1, 18066968), (2, 9033484), (4, 4516742), (8, 2258371), (109, 165752), (218, 82876), (436, 41438), (872, 20719)]