18268964

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1123}}^1$

素因数の和:1224

約数の個数: 36

約数和(自身を含む): 37671984

約数和(自身を除く): 19403020

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1123, 1162, 2246, 2324, 4067, 4492, 7861, 8134, 15722, 16268, 31444, 55027, 93209, 110054, 186418, 220108, 372836, 652463, 1304926, 2609852, 4567241, 9134482, 18268964]

約数ペア:

[(1, 18268964), (2, 9134482), (4, 4567241), (7, 2609852), (14, 1304926), (28, 652463), (49, 372836), (83, 220108), (98, 186418), (166, 110054), (196, 93209), (332, 55027), (581, 31444), (1123, 16268), (1162, 15722), (2246, 8134), (2324, 7861), (4067, 4492)]