18167804907

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1997999}}^1$

素因数の和:1998442

約数の個数: 16

約数和(自身を含む): 27748224000

約数和(自身を除く): 9580419093

約数列:

[1, 3, 7, 21, 433, 1299, 3031, 9093, 1997999, 5993997, 13985993, 41957979, 865133567, 2595400701, 6055934969, 18167804907]

約数ペア:

[(1, 18167804907), (3, 6055934969), (7, 2595400701), (21, 865133567), (433, 41957979), (1299, 13985993), (3031, 5993997), (9093, 1997999)]