18612507

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 25583360

約数和(自身を除く): 6970853

約数列:

[1, 3, 43, 129, 157, 471, 919, 2757, 6751, 20253, 39517, 118551, 144283, 432849, 6204169, 18612507]

約数ペア:

[(1, 18612507), (3, 6204169), (43, 432849), (129, 144283), (157, 118551), (471, 39517), (919, 20253), (2757, 6751)]