18062080

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 44003232

約数和(自身を除く): 25941152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 137, 160, 206, 256, 274, 320, 412, 515, 548, 640, 685, 824, 1030, 1096, 1280, 1370, 1648, 2060, 2192, 2740, 3296, 4120, 4384, 5480, 6592, 8240, 8768, 10960, 13184, 14111, 16480, 17536, 21920, 26368, 28222, 32960, 35072, 43840, 56444, 65920, 70555, 87680, 112888, 131840, 141110, 175360, 225776, 282220, 451552, 564440, 903104, 1128880, 1806208, 2257760, 3612416, 4515520, 9031040, 18062080]

約数ペア:

[(1, 18062080), (2, 9031040), (4, 4515520), (5, 3612416), (8, 2257760), (10, 1806208), (16, 1128880), (20, 903104), (32, 564440), (40, 451552), (64, 282220), (80, 225776), (103, 175360), (128, 141110), (137, 131840), (160, 112888), (206, 87680), (256, 70555), (274, 65920), (320, 56444), (412, 43840), (515, 35072), (548, 32960), (640, 28222), (685, 26368), (824, 21920), (1030, 17536), (1096, 16480), (1280, 14111), (1370, 13184), (1648, 10960), (2060, 8768), (2192, 8240), (2740, 6592), (3296, 5480), (4120, 4384)]