18208989

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{39671}}^1$

素因数の和:39697

約数の個数: 16

約数和(自身を含む): 28563840

約数和(自身を除く): 10354851

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 39671, 119013, 357039, 674407, 1071117, 2023221, 6069663, 18208989]

約数ペア:

[(1, 18208989), (3, 6069663), (9, 2023221), (17, 1071117), (27, 674407), (51, 357039), (153, 119013), (459, 39671)]