18858307408

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{1499}}^1$

素因数の和:1892

約数の個数: 80

約数和(自身を含む): 38167200000

約数和(自身を除く): 19308892592

約数列:

[1, 2, 4, 8, 16, 37, 74, 79, 148, 158, 269, 296, 316, 538, 592, 632, 1076, 1264, 1499, 2152, 2923, 2998, 4304, 5846, 5996, 9953, 11692, 11992, 19906, 21251, 23384, 23984, 39812, 42502, 46768, 55463, 79624, 85004, 110926, 118421, 159248, 170008, 221852, 236842, 340016, 403231, 443704, 473684, 786287, 806462, 887408, 947368, 1572574, 1612924, 1894736, 3145148, 3225848, 4381577, 6290296, 6451696, 8763154, 12580592, 14919547, 17526308, 29839094, 31855249, 35052616, 59678188, 63710498, 70105232, 119356376, 127420996, 238712752, 254841992, 509683984, 1178644213, 2357288426, 4714576852, 9429153704, 18858307408]

約数ペア:

[(1, 18858307408), (2, 9429153704), (4, 4714576852), (8, 2357288426), (16, 1178644213), (37, 509683984), (74, 254841992), (79, 238712752), (148, 127420996), (158, 119356376), (269, 70105232), (296, 63710498), (316, 59678188), (538, 35052616), (592, 31855249), (632, 29839094), (1076, 17526308), (1264, 14919547), (1499, 12580592), (2152, 8763154), (2923, 6451696), (2998, 6290296), (4304, 4381577), (5846, 3225848), (5996, 3145148), (9953, 1894736), (11692, 1612924), (11992, 1572574), (19906, 947368), (21251, 887408), (23384, 806462), (23984, 786287), (39812, 473684), (42502, 443704), (46768, 403231), (55463, 340016), (79624, 236842), (85004, 221852), (110926, 170008), (118421, 159248)]