18002220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1987}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 50765568

約数和(自身を除く): 32763348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 1987, 2265, 3020, 3974, 4530, 5961, 7948, 9060, 9935, 11922, 19870, 23844, 29805, 39740, 59610, 119220, 300037, 600074, 900111, 1200148, 1500185, 1800222, 3000370, 3600444, 4500555, 6000740, 9001110, 18002220]

約数ペア:

[(1, 18002220), (2, 9001110), (3, 6000740), (4, 4500555), (5, 3600444), (6, 3000370), (10, 1800222), (12, 1500185), (15, 1200148), (20, 900111), (30, 600074), (60, 300037), (151, 119220), (302, 59610), (453, 39740), (604, 29805), (755, 23844), (906, 19870), (1510, 11922), (1812, 9935), (1987, 9060), (2265, 7948), (3020, 5961), (3974, 4530)]