18700551

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 28710864

約数和(自身を除く): 10010313

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 1877, 3321, 5631, 9963, 16893, 50679, 76957, 152037, 230871, 456111, 692613, 2077839, 6233517, 18700551]

約数ペア:

[(1, 18700551), (3, 6233517), (9, 2077839), (27, 692613), (41, 456111), (81, 230871), (123, 152037), (243, 76957), (369, 50679), (1107, 16893), (1877, 9963), (3321, 5631)]