The factors of the number 8,021,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 103, 110, 118, 120, 132, 165, 177, 206, 220, 236, 264, 295, 309, 330, 354, 412, 440, 472, 515, 590, 618, 649, 660, 708, 824, 885, 1030, 1133, 1180, 1236, 1298, 1320, 1416, 1545, 1770, 1947, 2060, 2266, 2360, 2472, 2596, 3090, 3245, 3399, 3540, 3894, 4120, 4532, 5192, 5665, 6077, 6180, 6490, 6798, 7080, 7788, 9064, 9735, 11330, 12154, 12360, 12980, 13596, 15576, 16995, 18231, 19470, 22660, 24308, 25960, 27192, 30385, 33990, 36462, 38940, 45320, 48616, 60770, 66847, 67980, 72924, 77880, 91155, 121540, 133694, 135960, 145848, 182310, 200541, 243080, 267388, 334235, 364620, 401082, 534776, 668470, 729240, 802164, 1002705, 1336940, 1604328, 2005410, 2673880, 4010820, 8021640.
If you add them up, you will get the total of 8,021,658. Now subtract 8,021,640 to get 18,935,160