18546813

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13469}}^1$

素因数の和:13498

約数の個数: 20

約数和(自身を含む): 29337660

約数和(自身を除く): 10790847

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13469, 40407, 121221, 228973, 363663, 686919, 1090989, 2060757, 6182271, 18546813]

約数ペア:

[(1, 18546813), (3, 6182271), (9, 2060757), (17, 1090989), (27, 686919), (51, 363663), (81, 228973), (153, 121221), (459, 40407), (1377, 13469)]