18681759

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13567}}^1$

素因数の和:13596

約数の個数: 20

約数和(自身を含む): 29551104

約数和(自身を除く): 10869345

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13567, 40701, 122103, 230639, 366309, 691917, 1098927, 2075751, 6227253, 18681759]

約数ペア:

[(1, 18681759), (3, 6227253), (9, 2075751), (17, 1098927), (27, 691917), (51, 366309), (81, 230639), (153, 122103), (459, 40701), (1377, 13567)]