19418384

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11783}}^1$

素因数の和:11894

約数の個数: 20

約数和(自身を含む): 37991616

約数和(自身を除く): 18573232

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11783, 23566, 47132, 94264, 188528, 1213649, 2427298, 4854596, 9709192, 19418384]

約数ペア:

[(1, 19418384), (2, 9709192), (4, 4854596), (8, 2427298), (16, 1213649), (103, 188528), (206, 94264), (412, 47132), (824, 23566), (1648, 11783)]