18316240

素因数分解:

$2^4\times 5^1\times {\mathrm{228953}}^1$

素因数の和:228966

約数の個数: 20

約数和(自身を含む): 42585444

約数和(自身を除く): 24269204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228953, 457906, 915812, 1144765, 1831624, 2289530, 3663248, 4579060, 9158120, 18316240]

約数ペア:

[(1, 18316240), (2, 9158120), (4, 4579060), (5, 3663248), (8, 2289530), (10, 1831624), (16, 1144765), (20, 915812), (40, 457906), (80, 228953)]