The factors of the number 633,073,644 are: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 188, 189, 252, 282, 324, 329, 378, 423, 564, 567, 658, 756, 846, 987, 1134, 1269, 1316, 1692, 1974, 2268, 2538, 2961, 3807, 3948, 5076, 5922, 5939, 7614, 8883, 11844, 11878, 15228, 17766, 17817, 23756, 26649, 35532, 35634, 41573, 53298, 53451, 71268, 83146, 106596, 106902, 124719, 160353, 166292, 213804, 249438, 279133, 320706, 374157, 481059, 498876, 558266, 641412, 748314, 837399, 962118, 1116532, 1122471, 1496628, 1674798, 1924236, 1953931, 2244942, 2512197, 3349596, 3367413, 3907862, 4489884, 5024394, 5861793, 6734826, 7536591, 7815724, 10048788, 11723586, 13469652, 15073182, 17585379, 22609773, 23447172, 30146364, 35170758, 45219546, 52756137, 70341516, 90439092, 105512274, 158268411, 211024548, 316536822, 633073644.
If you add them up, you will get the total of 1,931,973,120.