18638559968

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2248861}}^1$

素因数の和:2248915

約数の個数: 48

約数和(自身を含む): 43070205024

約数和(自身を除く): 24431645056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 4144, 8288, 2248861, 4497722, 8995444, 15742027, 17990888, 31484054, 35981776, 62968108, 71963552, 83207857, 125936216, 166415714, 251872432, 332831428, 503744864, 582454999, 665662856, 1164909998, 1331325712, 2329819996, 2662651424, 4659639992, 9319279984, 18638559968]

約数ペア:

[(1, 18638559968), (2, 9319279984), (4, 4659639992), (7, 2662651424), (8, 2329819996), (14, 1331325712), (16, 1164909998), (28, 665662856), (32, 582454999), (37, 503744864), (56, 332831428), (74, 251872432), (112, 166415714), (148, 125936216), (224, 83207857), (259, 71963552), (296, 62968108), (518, 35981776), (592, 31484054), (1036, 17990888), (1184, 15742027), (2072, 8995444), (4144, 4497722), (8288, 2248861)]