18713889

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40771}}^1$

素因数の和:40797

約数の個数: 16

約数和(自身を含む): 29355840

約数和(自身を除く): 10641951

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40771, 122313, 366939, 693107, 1100817, 2079321, 6237963, 18713889]

約数ペア:

[(1, 18713889), (3, 6237963), (9, 2079321), (17, 1100817), (27, 693107), (51, 366939), (153, 122313), (459, 40771)]