18351927

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 30666240

約数和(自身を除く): 12314313

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 479, 891, 1161, 1419, 1437, 3483, 4257, 4311, 5269, 12771, 12933, 15807, 20597, 38313, 38799, 47421, 61791, 142263, 185373, 226567, 426789, 556119, 679701, 1668357, 2039103, 6117309, 18351927]

約数ペア:

[(1, 18351927), (3, 6117309), (9, 2039103), (11, 1668357), (27, 679701), (33, 556119), (43, 426789), (81, 226567), (99, 185373), (129, 142263), (297, 61791), (387, 47421), (473, 38799), (479, 38313), (891, 20597), (1161, 15807), (1419, 12933), (1437, 12771), (3483, 5269), (4257, 4311)]