19182304

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 20565152

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 122, 124, 244, 248, 317, 488, 496, 634, 976, 992, 1268, 1891, 1952, 2536, 3782, 5072, 7564, 9827, 10144, 15128, 19337, 19654, 30256, 38674, 39308, 60512, 77348, 78616, 154696, 157232, 309392, 314464, 599447, 618784, 1198894, 2397788, 4795576, 9591152, 19182304]

約数ペア:

[(1, 19182304), (2, 9591152), (4, 4795576), (8, 2397788), (16, 1198894), (31, 618784), (32, 599447), (61, 314464), (62, 309392), (122, 157232), (124, 154696), (244, 78616), (248, 77348), (317, 60512), (488, 39308), (496, 38674), (634, 30256), (976, 19654), (992, 19337), (1268, 15128), (1891, 10144), (1952, 9827), (2536, 7564), (3782, 5072)]