18183609

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7741}}^1$

素因数の和:7782

約数の個数: 20

約数和(自身を含む): 28103460

約数和(自身を除く): 9919851

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7741, 23223, 69669, 209007, 224489, 627021, 673467, 2020401, 6061203, 18183609]

約数ペア:

[(1, 18183609), (3, 6061203), (9, 2020401), (27, 673467), (29, 627021), (81, 224489), (87, 209007), (261, 69669), (783, 23223), (2349, 7741)]