How many positive integers which divide 5n11−2n5−3n for all positive integers n are there?<spanclass=′latex−bold′>(A)</span>2<spanclass=′latex−bold′>(B)</span>5<spanclass=′latex−bold′>(C)</span>6<spanclass=′latex−bold′>(D)</span>12<spanclass=′latex−bold′>(E)</span>18