18790288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 39970656

約数和(自身を除く): 21180368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 241, 443, 482, 886, 964, 1772, 1928, 2651, 3544, 3856, 4873, 5302, 7088, 9746, 10604, 19492, 21208, 38984, 42416, 77968, 106763, 213526, 427052, 854104, 1174393, 1708208, 2348786, 4697572, 9395144, 18790288]

約数ペア:

[(1, 18790288), (2, 9395144), (4, 4697572), (8, 2348786), (11, 1708208), (16, 1174393), (22, 854104), (44, 427052), (88, 213526), (176, 106763), (241, 77968), (443, 42416), (482, 38984), (886, 21208), (964, 19492), (1772, 10604), (1928, 9746), (2651, 7088), (3544, 5302), (3856, 4873)]