18870867

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41113}}^1$

素因数の和:41139

約数の個数: 16

約数和(自身を含む): 29602080

約数和(自身を除く): 10731213

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41113, 123339, 370017, 698921, 1110051, 2096763, 6290289, 18870867]

約数ペア:

[(1, 18870867), (3, 6290289), (9, 2096763), (17, 1110051), (27, 698921), (51, 370017), (153, 123339), (459, 41113)]