19641987

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42793}}^1$

素因数の和:42819

約数の個数: 16

約数和(自身を含む): 30811680

約数和(自身を除く): 11169693

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42793, 128379, 385137, 727481, 1155411, 2182443, 6547329, 19641987]

約数ペア:

[(1, 19641987), (3, 6547329), (9, 2182443), (17, 1155411), (27, 727481), (51, 385137), (153, 128379), (459, 42793)]