18784624

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10771}}^1$

素因数の和:10888

約数の個数: 20

約数和(自身を含む): 36732520

約数和(自身を除く): 17947896

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10771, 21542, 43084, 86168, 172336, 1174039, 2348078, 4696156, 9392312, 18784624]

約数ペア:

[(1, 18784624), (2, 9392312), (4, 4696156), (8, 2348078), (16, 1174039), (109, 172336), (218, 86168), (436, 43084), (872, 21542), (1744, 10771)]