The factors of the number 4,439,448 are: 1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 31, 34, 36, 39, 51, 52, 54, 62, 68, 72, 78, 81, 93, 102, 104, 108, 117, 124, 136, 153, 156, 162, 186, 204, 216, 221, 234, 248, 279, 306, 312, 324, 351, 372, 403, 408, 442, 459, 468, 527, 558, 612, 648, 663, 702, 744, 806, 837, 884, 918, 936, 1053, 1054, 1116, 1209, 1224, 1326, 1377, 1404, 1581, 1612, 1674, 1768, 1836, 1989, 2106, 2108, 2232, 2418, 2511, 2652, 2754, 2808, 3162, 3224, 3348, 3627, 3672, 3978, 4212, 4216, 4743, 4836, 5022, 5304, 5508, 5967, 6324, 6696, 6851, 7254, 7956, 8424, 9486, 9672, 10044, 10881, 11016, 11934, 12648, 13702, 14229, 14508, 15912, 17901, 18972, 20088, 20553, 21762, 23868, 27404, 28458, 29016, 32643, 35802, 37944, 41106, 42687, 43524, 47736, 54808, 56916, 61659, 65286, 71604, 82212, 85374, 87048, 113832, 123318, 130572, 143208, 164424, 170748, 184977, 246636, 261144, 341496, 369954, 493272, 554931, 739908, 1109862, 1479816, 2219724, 4439448.
If you add them up, you will get the total of 14,636,160.