The factors of the number 18,887,148 are: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 49, 54, 63, 83, 84, 86, 98, 108, 126, 129, 147, 166, 172, 189, 196, 249, 252, 258, 294, 301, 332, 378, 387, 441, 498, 516, 581, 588, 602, 747, 756, 774, 882, 903, 996, 1161, 1162, 1204, 1323, 1494, 1548, 1743, 1764, 1806, 2107, 2241, 2322, 2324, 2646, 2709, 2988, 3486, 3569, 3612, 4067, 4214, 4482, 4644, 5229, 5292, 5418, 6321, 6972, 7138, 8127, 8134, 8428, 8964, 10458, 10707, 10836, 12201, 12642, 14276, 15687, 16254, 16268, 18963, 20916, 21414, 24402, 24983, 25284, 31374, 32121, 32508, 36603, 37926, 42828, 48804, 49966, 56889, 62748, 64242, 73206, 74949, 75852, 96363, 99932, 109809, 113778, 128484, 146412, 149898, 174881, 192726, 219618, 224847, 227556, 299796, 349762, 385452, 439236, 449694, 524643, 674541, 699524, 899388, 1049286, 1349082, 1573929, 2098572, 2698164, 3147858, 4721787, 6295716, 9443574, 18887148.
If you add them up, you will get the total of 58,988,160.