18126435

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 30032640

約数和(自身を除く): 11906205

約数列:

[1, 3, 5, 15, 43, 129, 157, 179, 215, 471, 537, 645, 785, 895, 2355, 2685, 6751, 7697, 20253, 23091, 28103, 33755, 38485, 84309, 101265, 115455, 140515, 421545, 1208429, 3625287, 6042145, 18126435]

約数ペア:

[(1, 18126435), (3, 6042145), (5, 3625287), (15, 1208429), (43, 421545), (129, 140515), (157, 115455), (179, 101265), (215, 84309), (471, 38485), (537, 33755), (645, 28103), (785, 23091), (895, 20253), (2355, 7697), (2685, 6751)]