18439045

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 22841280

約数和(自身を除く): 4402235

約数列:

[1, 5, 43, 139, 215, 617, 695, 3085, 5977, 26531, 29885, 85763, 132655, 428815, 3687809, 18439045]

約数ペア:

[(1, 18439045), (5, 3687809), (43, 428815), (139, 132655), (215, 85763), (617, 29885), (695, 26531), (3085, 5977)]