18448587

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40193}}^1$

素因数の和:40219

約数の個数: 16

約数和(自身を含む): 28939680

約数和(自身を除く): 10491093

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40193, 120579, 361737, 683281, 1085211, 2049843, 6149529, 18448587]

約数ペア:

[(1, 18448587), (3, 6149529), (9, 2049843), (17, 1085211), (27, 683281), (51, 361737), (153, 120579), (459, 40193)]