18670686

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{72367}}^1$

素因数の和:72415

約数の個数: 16

約数和(自身を含む): 38210304

約数和(自身を除く): 19539618

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 72367, 144734, 217101, 434202, 3111781, 6223562, 9335343, 18670686]

約数ペア:

[(1, 18670686), (2, 9335343), (3, 6223562), (6, 3111781), (43, 434202), (86, 217101), (129, 144734), (258, 72367)]