complete[{1, 8, 1, 7, 1, 1, 7, 9, 19, 1, 8, 1, 7, 1, 1, 7, 9, 19}]

{{3, 3, 21, 3, 3, 75}, {3, 12, 12, 3, 12, 66}, {3, 21, 3, 3, 21, 57}, {3, 24, 3, 3, 27, 48}, { ... {27, 12, 3, 24, 3, 39}, {27, 12, 12, 15, 12, 30}, {27, 15, 6, 21, 6, 33}, {27, 21, 3, 24, 3, 30}}

Created by Mathematica  (January 22, 2004)