Делители числа 18: \(A=\{1,2,3,6,9,18\}\).
Делители числа 24: \(B=\{1,2,3,4,6,8,12,24\}\).
\(A\cap B=\{1,2,3,6\}\), \(A\cup B=\{1,2,3,4,6,8,9,12,18,24\}\).
Ответ: \(A\cap B=\{1,2,3,6\}\); \(A\cup B=\{1,2,3,4,6,8,9,12,18,24\}\).