18092440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4663}}^1$

素因数の和:4771

約数の個数: 32

約数和(自身を含む): 41136480

約数和(自身を除く): 23044040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4663, 9326, 18652, 23315, 37304, 46630, 93260, 186520, 452311, 904622, 1809244, 2261555, 3618488, 4523110, 9046220, 18092440]

約数ペア:

[(1, 18092440), (2, 9046220), (4, 4523110), (5, 3618488), (8, 2261555), (10, 1809244), (20, 904622), (40, 452311), (97, 186520), (194, 93260), (388, 46630), (485, 37304), (776, 23315), (970, 18652), (1940, 9326), (3880, 4663)]