18081715

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2273}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 22812768

約数和(自身を除く): 4731053

約数列:

[1, 5, 37, 43, 185, 215, 1591, 2273, 7955, 11365, 84101, 97739, 420505, 488695, 3616343, 18081715]

約数ペア:

[(1, 18081715), (5, 3616343), (37, 488695), (43, 420505), (185, 97739), (215, 84101), (1591, 11365), (2273, 7955)]