The factors of the number 19,681,920 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 67, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 134, 135, 136, 144, 153, 160, 170, 180, 192, 201, 204, 216, 240, 255, 268, 270, 272, 288, 306, 320, 335, 340, 360, 384, 402, 408, 432, 459, 480, 510, 536, 540, 544, 576, 603, 612, 640, 670, 680, 720, 765, 804, 816, 864, 918, 960, 1005, 1020, 1072, 1080, 1088, 1139, 1152, 1206, 1224, 1340, 1360, 1440, 1530, 1608, 1632, 1728, 1809, 1836, 1920, 2010, 2040, 2144, 2160, 2176, 2278, 2295, 2412, 2448, 2680, 2720, 2880, 3015, 3060, 3216, 3264, 3417, 3456, 3618, 3672, 4020, 4080, 4288, 4320, 4556, 4590, 4824, 4896, 5360, 5440, 5695, 5760, 6030, 6120, 6432, 6528, 6834, 7236, 7344, 8040, 8160, 8576, 8640, 9045, 9112, 9180, 9648, 9792, 10251, 10720, 10880, 11390, 12060, 12240, 12864, 13668, 14472, 14688, 16080, 16320, 17085, 17280, 18090, 18224, 18360, 19296, 19584, 20502, 21440, 22780, 24120, 24480, 25728, 27336, 28944, 29376, 30753, 32160, 32640, 34170, 36180, 36448, 36720, 38592, 41004, 42880, 45560, 48240, 48960, 51255, 54672, 57888, 58752, 61506, 64320, 68340, 72360, 72896, 73440, 77184, 82008, 91120, 96480, 97920, 102510, 109344, 115776, 123012, 128640, 136680, 144720, 145792, 146880, 153765, 164016, 182240, 192960, 205020, 218688, 231552, 246024, 273360, 289440, 293760, 307530, 328032, 364480, 385920, 410040, 437376, 492048, 546720, 578880, 615060, 656064, 728960, 820080, 984096, 1093440, 1157760, 1230120, 1312128, 1640160, 1968192, 2186880, 2460240, 3280320, 3936384, 4920480, 6560640, 9840960, 19681920.
If you add them up, you will get the total of 19,681,975. Now subtract 19,681,920 to get 55,226,880