18090640

素因数分解:

$2^4\times 5^1\times {\mathrm{226133}}^1$

素因数の和:226146

約数の個数: 20

約数和(自身を含む): 42060924

約数和(自身を除く): 23970284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226133, 452266, 904532, 1130665, 1809064, 2261330, 3618128, 4522660, 9045320, 18090640]

約数ペア:

[(1, 18090640), (2, 9045320), (4, 4522660), (5, 3618128), (8, 2261330), (10, 1809064), (16, 1130665), (20, 904532), (40, 452266), (80, 226133)]