18517389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{11939}}^1$

素因数の和:12000

約数の個数: 16

約数和(自身を含む): 27509760

約数和(自身を除く): 8992371

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 11939, 35817, 131329, 393987, 561133, 1683399, 6172463, 18517389]

約数ペア:

[(1, 18517389), (3, 6172463), (11, 1683399), (33, 561133), (47, 393987), (141, 131329), (517, 35817), (1551, 11939)]