18742040

素因数分解:

$2^3\times 5^1\times {\mathrm{468551}}^1$

素因数の和:468562

約数の個数: 16

約数和(自身を含む): 42169680

約数和(自身を除く): 23427640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468551, 937102, 1874204, 2342755, 3748408, 4685510, 9371020, 18742040]

約数ペア:

[(1, 18742040), (2, 9371020), (4, 4685510), (5, 3748408), (8, 2342755), (10, 1874204), (20, 937102), (40, 468551)]