18905751

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41189}}^1$

素因数の和:41215

約数の個数: 16

約数和(自身を含む): 29656800

約数和(自身を除く): 10751049

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41189, 123567, 370701, 700213, 1112103, 2100639, 6301917, 18905751]

約数ペア:

[(1, 18905751), (3, 6301917), (9, 2100639), (17, 1112103), (27, 700213), (51, 370701), (153, 123567), (459, 41189)]