The factors of the number 5,051,904 are: 1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 23, 24, 26, 32, 33, 39, 44, 46, 48, 52, 64, 66, 69, 78, 88, 92, 96, 104, 128, 132, 138, 143, 156, 176, 184, 192, 208, 253, 256, 264, 276, 286, 299, 312, 352, 368, 384, 416, 429, 506, 512, 528, 552, 572, 598, 624, 704, 736, 759, 768, 832, 858, 897, 1012, 1056, 1104, 1144, 1196, 1248, 1408, 1472, 1518, 1536, 1664, 1716, 1794, 2024, 2112, 2208, 2288, 2392, 2496, 2816, 2944, 3036, 3289, 3328, 3432, 3588, 4048, 4224, 4416, 4576, 4784, 4992, 5632, 5888, 6072, 6578, 6656, 6864, 7176, 8096, 8448, 8832, 9152, 9568, 9867, 9984, 11776, 12144, 13156, 13728, 14352, 16192, 16896, 17664, 18304, 19136, 19734, 19968, 24288, 26312, 27456, 28704, 32384, 35328, 36608, 38272, 39468, 48576, 52624, 54912, 57408, 64768, 73216, 76544, 78936, 97152, 105248, 109824, 114816, 129536, 153088, 157872, 194304, 210496, 219648, 229632, 315744, 388608, 420992, 459264, 631488, 841984, 1262976, 1683968, 2525952, 5051904.
If you add them up, you will get the total of 16,498,944.