18191217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1279}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 26542080

約数和(自身を除く): 8350863

約数列:

[1, 3, 11, 33, 431, 1279, 1293, 3837, 4741, 14069, 14223, 42207, 551249, 1653747, 6063739, 18191217]

約数ペア:

[(1, 18191217), (3, 6063739), (11, 1653747), (33, 551249), (431, 42207), (1279, 14223), (1293, 14069), (3837, 4741)]