18290888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 26360632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1291, 1771, 2024, 2582, 3542, 5164, 7084, 9037, 10328, 14168, 14201, 18074, 28402, 29693, 36148, 56804, 59386, 72296, 99407, 113608, 118772, 198814, 207851, 237544, 326623, 397628, 415702, 653246, 795256, 831404, 1306492, 1662808, 2286361, 2612984, 4572722, 9145444, 18290888]

約数ペア:

[(1, 18290888), (2, 9145444), (4, 4572722), (7, 2612984), (8, 2286361), (11, 1662808), (14, 1306492), (22, 831404), (23, 795256), (28, 653246), (44, 415702), (46, 397628), (56, 326623), (77, 237544), (88, 207851), (92, 198814), (154, 118772), (161, 113608), (184, 99407), (253, 72296), (308, 59386), (322, 56804), (506, 36148), (616, 29693), (644, 28402), (1012, 18074), (1288, 14201), (1291, 14168), (1771, 10328), (2024, 9037), (2582, 7084), (3542, 5164)]