18912291

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 26294784

約数和(自身を除く): 7382493

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2543, 7437, 7629, 94091, 170381, 282273, 511143, 6304097, 18912291]

約数ペア:

[(1, 18912291), (3, 6304097), (37, 511143), (67, 282273), (111, 170381), (201, 94091), (2479, 7629), (2543, 7437)]