18160785

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 31584384

約数和(自身を除く): 13423599

約数列:

[1, 3, 5, 9, 15, 45, 443, 911, 1329, 2215, 2733, 3987, 4555, 6645, 8199, 13665, 19935, 40995, 403573, 1210719, 2017865, 3632157, 6053595, 18160785]

約数ペア:

[(1, 18160785), (3, 6053595), (5, 3632157), (9, 2017865), (15, 1210719), (45, 403573), (443, 40995), (911, 19935), (1329, 13665), (2215, 8199), (2733, 6645), (3987, 4555)]