18198719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 22880256

約数和(自身を除く): 4681537

約数列:

[1, 7, 11, 77, 127, 889, 1397, 1861, 9779, 13027, 20471, 143297, 236347, 1654429, 2599817, 18198719]

約数ペア:

[(1, 18198719), (7, 2599817), (11, 1654429), (77, 236347), (127, 143297), (889, 20471), (1397, 13027), (1861, 9779)]