18883287

素因数分解:

$3^6\times {\mathrm{25903}}^1$

素因数の和:25921

約数の個数: 14

約数和(自身を含む): 28313072

約数和(自身を除く): 9429785

約数列:

[1, 3, 9, 27, 81, 243, 729, 25903, 77709, 233127, 699381, 2098143, 6294429, 18883287]

約数ペア:

[(1, 18883287), (3, 6294429), (9, 2098143), (27, 699381), (81, 233127), (243, 77709), (729, 25903)]