18525429

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 30336152

約数和(自身を除く): 11810723

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 241, 351, 657, 723, 949, 1053, 1971, 2169, 2847, 3133, 5913, 6507, 8541, 9399, 17593, 19521, 25623, 28197, 52779, 76869, 84591, 158337, 228709, 253773, 475011, 686127, 1425033, 2058381, 6175143, 18525429]

約数ペア:

[(1, 18525429), (3, 6175143), (9, 2058381), (13, 1425033), (27, 686127), (39, 475011), (73, 253773), (81, 228709), (117, 158337), (219, 84591), (241, 76869), (351, 52779), (657, 28197), (723, 25623), (949, 19521), (1053, 17593), (1971, 9399), (2169, 8541), (2847, 6507), (3133, 5913)]