18401185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 24253632

約数和(自身を除く): 5852447

約数列:

[1, 5, 11, 55, 157, 785, 1727, 2131, 8635, 10655, 23441, 117205, 334567, 1672835, 3680237, 18401185]

約数ペア:

[(1, 18401185), (5, 3680237), (11, 1672835), (55, 334567), (157, 117205), (785, 23441), (1727, 10655), (2131, 8635)]