18857007

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 30056208

約数和(自身を除く): 11199201

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 3931, 4797, 11793, 35379, 51103, 153309, 161171, 459927, 483513, 1450539, 2095223, 6285669, 18857007]

約数ペア:

[(1, 18857007), (3, 6285669), (9, 2095223), (13, 1450539), (39, 483513), (41, 459927), (117, 161171), (123, 153309), (369, 51103), (533, 35379), (1599, 11793), (3931, 4797)]