18408789

素因数分解:

$3^4\times 7^1\times {\mathrm{32467}}^1$

素因数の和:32486

約数の個数: 20

約数和(自身を含む): 31429024

約数和(自身を除く): 13020235

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32467, 97401, 227269, 292203, 681807, 876609, 2045421, 2629827, 6136263, 18408789]

約数ペア:

[(1, 18408789), (3, 6136263), (7, 2629827), (9, 2045421), (21, 876609), (27, 681807), (63, 292203), (81, 227269), (189, 97401), (567, 32467)]