The factors of the number 4,993,800 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 29, 30, 35, 40, 41, 42, 50, 56, 58, 60, 70, 75, 82, 84, 87, 100, 105, 116, 120, 123, 140, 145, 150, 164, 168, 174, 175, 200, 203, 205, 210, 232, 246, 280, 287, 290, 300, 328, 348, 350, 406, 410, 420, 435, 492, 525, 574, 580, 600, 609, 615, 696, 700, 725, 812, 820, 840, 861, 870, 984, 1015, 1025, 1050, 1148, 1160, 1189, 1218, 1230, 1400, 1435, 1450, 1624, 1640, 1722, 1740, 2030, 2050, 2100, 2175, 2296, 2378, 2436, 2460, 2870, 2900, 3045, 3075, 3444, 3480, 3567, 4060, 4100, 4200, 4305, 4350, 4756, 4872, 4920, 5075, 5740, 5800, 5945, 6090, 6150, 6888, 7134, 7175, 8120, 8200, 8323, 8610, 8700, 9512, 10150, 11480, 11890, 12180, 12300, 14268, 14350, 15225, 16646, 17220, 17400, 17835, 20300, 21525, 23780, 24360, 24600, 24969, 28536, 28700, 29725, 30450, 33292, 34440, 35670, 40600, 41615, 43050, 47560, 49938, 57400, 59450, 60900, 66584, 71340, 83230, 86100, 89175, 99876, 118900, 121800, 124845, 142680, 166460, 172200, 178350, 199752, 208075, 237800, 249690, 332920, 356700, 416150, 499380, 624225, 713400, 832300, 998760, 1248450, 1664600, 2496900, 4993800.
If you add them up, you will get the total of 18,748,800.