The factors of the number 4,718,112 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 59, 68, 84, 96, 98, 102, 112, 118, 119, 136, 147, 168, 177, 196, 204, 224, 236, 238, 272, 294, 336, 354, 357, 392, 408, 413, 472, 476, 544, 588, 672, 708, 714, 784, 816, 826, 833, 944, 952, 1003, 1176, 1239, 1416, 1428, 1568, 1632, 1652, 1666, 1888, 1904, 2006, 2352, 2478, 2499, 2832, 2856, 2891, 3009, 3304, 3332, 3808, 4012, 4704, 4956, 4998, 5664, 5712, 5782, 6018, 6608, 6664, 7021, 8024, 8673, 9912, 9996, 11424, 11564, 12036, 13216, 13328, 14042, 16048, 17346, 19824, 19992, 21063, 23128, 24072, 26656, 28084, 32096, 34692, 39648, 39984, 42126, 46256, 48144, 49147, 56168, 69384, 79968, 84252, 92512, 96288, 98294, 112336, 138768, 147441, 168504, 196588, 224672, 277536, 294882, 337008, 393176, 589764, 674016, 786352, 1179528, 1572704, 2359056, 4718112.
If you add them up, you will get the total of 15,513,120.