The factors of the number 12,453,504 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 113, 123, 128, 164, 168, 192, 224, 226, 246, 287, 328, 336, 339, 384, 448, 452, 492, 574, 656, 672, 678, 791, 861, 896, 904, 984, 1148, 1312, 1344, 1356, 1582, 1722, 1808, 1968, 2296, 2373, 2624, 2688, 2712, 3164, 3444, 3616, 3936, 4592, 4633, 4746, 5248, 5424, 6328, 6888, 7232, 7872, 9184, 9266, 9492, 10848, 12656, 13776, 13899, 14464, 15744, 18368, 18532, 18984, 21696, 25312, 27552, 27798, 32431, 36736, 37064, 37968, 43392, 50624, 55104, 55596, 64862, 74128, 75936, 97293, 101248, 110208, 111192, 129724, 148256, 151872, 194586, 222384, 259448, 296512, 303744, 389172, 444768, 518896, 593024, 778344, 889536, 1037792, 1556688, 1779072, 2075584, 3113376, 4151168, 6226752, 12453504.
If you add them up, you will get the total of 39,070,080.