18639712

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 46654272

約数和(自身を除く): 28014560

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 74, 91, 104, 112, 148, 173, 182, 208, 224, 259, 296, 346, 364, 416, 481, 518, 592, 692, 728, 962, 1036, 1184, 1211, 1384, 1456, 1924, 2072, 2249, 2422, 2768, 2912, 3367, 3848, 4144, 4498, 4844, 5536, 6401, 6734, 7696, 8288, 8996, 9688, 12802, 13468, 15392, 15743, 17992, 19376, 25604, 26936, 31486, 35984, 38752, 44807, 51208, 53872, 62972, 71968, 83213, 89614, 102416, 107744, 125944, 166426, 179228, 204832, 251888, 332852, 358456, 503776, 582491, 665704, 716912, 1164982, 1331408, 1433824, 2329964, 2662816, 4659928, 9319856, 18639712]

約数ペア:

[(1, 18639712), (2, 9319856), (4, 4659928), (7, 2662816), (8, 2329964), (13, 1433824), (14, 1331408), (16, 1164982), (26, 716912), (28, 665704), (32, 582491), (37, 503776), (52, 358456), (56, 332852), (74, 251888), (91, 204832), (104, 179228), (112, 166426), (148, 125944), (173, 107744), (182, 102416), (208, 89614), (224, 83213), (259, 71968), (296, 62972), (346, 53872), (364, 51208), (416, 44807), (481, 38752), (518, 35984), (592, 31486), (692, 26936), (728, 25604), (962, 19376), (1036, 17992), (1184, 15743), (1211, 15392), (1384, 13468), (1456, 12802), (1924, 9688), (2072, 8996), (2249, 8288), (2422, 7696), (2768, 6734), (2912, 6401), (3367, 5536), (3848, 4844), (4144, 4498)]