18550415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6637}}^1$

素因数の和:6698

約数の個数: 16

約数和(自身を含む): 24534048

約数和(自身を除く): 5983633

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6637, 33185, 86281, 285391, 431405, 1426955, 3710083, 18550415]

約数ペア:

[(1, 18550415), (5, 3710083), (13, 1426955), (43, 431405), (65, 285391), (215, 86281), (559, 33185), (2795, 6637)]