18966385

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23559696

約数和(自身を除く): 4593311

約数列:

[1, 5, 37, 157, 185, 653, 785, 3265, 5809, 24161, 29045, 102521, 120805, 512605, 3793277, 18966385]

約数ペア:

[(1, 18966385), (5, 3793277), (37, 512605), (157, 120805), (185, 102521), (653, 29045), (785, 24161), (3265, 5809)]