The factors of the number 12,531,024 are: 1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 293, 297, 324, 396, 432, 486, 528, 586, 594, 648, 792, 879, 891, 972, 1172, 1188, 1296, 1584, 1758, 1782, 1944, 2344, 2376, 2637, 2673, 3223, 3516, 3564, 3888, 4688, 4752, 5274, 5346, 6446, 7032, 7128, 7911, 9669, 10548, 10692, 12892, 14064, 14256, 15822, 19338, 21096, 21384, 23733, 25784, 29007, 31644, 38676, 42192, 42768, 47466, 51568, 58014, 63288, 71199, 77352, 87021, 94932, 116028, 126576, 142398, 154704, 174042, 189864, 232056, 261063, 284796, 348084, 379728, 464112, 522126, 569592, 696168, 783189, 1044252, 1139184, 1392336, 1566378, 2088504, 3132756, 4177008, 6265512, 12531024.
If you add them up, you will get the total of 39,809,952.