18365319

素因数分解:

$3^3\times 7^1\times {\mathrm{97171}}^1$

素因数の和:97187

約数の個数: 16

約数和(自身を含む): 31095040

約数和(自身を除く): 12729721

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 97171, 291513, 680197, 874539, 2040591, 2623617, 6121773, 18365319]

約数ペア:

[(1, 18365319), (3, 6121773), (7, 2623617), (9, 2040591), (21, 874539), (27, 680197), (63, 291513), (189, 97171)]