18977355

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8269}}^1$

素因数の和:8300

約数の個数: 32

約数和(自身を含む): 35726400

約数和(自身を除く): 16749045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8269, 24807, 41345, 74421, 124035, 140573, 223263, 372105, 421719, 702865, 1116315, 1265157, 2108595, 3795471, 6325785, 18977355]

約数ペア:

[(1, 18977355), (3, 6325785), (5, 3795471), (9, 2108595), (15, 1265157), (17, 1116315), (27, 702865), (45, 421719), (51, 372105), (85, 223263), (135, 140573), (153, 124035), (255, 74421), (459, 41345), (765, 24807), (2295, 8269)]