18630459

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{7753}}^1$

素因数の和:7851

約数の個数: 16

約数和(自身を含む): 27914400

約数和(自身を除く): 9283941

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 7753, 23259, 69777, 209331, 690017, 2070051, 6210153, 18630459]

約数ペア:

[(1, 18630459), (3, 6210153), (9, 2070051), (27, 690017), (89, 209331), (267, 69777), (801, 23259), (2403, 7753)]