18907467

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 6943413

約数列:

[1, 3, 67, 109, 201, 327, 863, 2589, 7303, 21909, 57821, 94067, 173463, 282201, 6302489, 18907467]

約数ペア:

[(1, 18907467), (3, 6302489), (67, 282201), (109, 173463), (201, 94067), (327, 57821), (863, 21909), (2589, 7303)]