18678743839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1\times {\mathrm{18199}}^1$

素因数の和:25942

約数の個数: 16

約数和(自身を含む): 22474816000

約数和(自身を除く): 3796072161

約数列:

[1, 7, 19, 133, 7717, 18199, 54019, 127393, 146623, 345781, 1026361, 2420467, 140441683, 983091781, 2668391977, 18678743839]

約数ペア:

[(1, 18678743839), (7, 2668391977), (19, 983091781), (133, 140441683), (7717, 2420467), (18199, 1026361), (54019, 345781), (127393, 146623)]