Решение:
19200 = 192 × 100 = 2 × 96 × 10 × 10 = 2 × 2 × 48 × 2 × 5 × 2 × 5 = 2 × 2 × 2 × 24 × 2 × 5 × 2 × 5 = 2 × 2 × 2 × 2 × 12 × 2 × 5 × 2 × 5 = 2 × 2 × 2 × 2 × 2 × 6 × 2 × 5 × 2 × 5 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 2 × 5 × 2 × 5
19200 = 2^8 × 3 × 5^2
Ответ:
$$2^8 \cdot 3 \cdot 5^2$$