18172702720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{937}}^1\times {\mathrm{947}}^1$

素因数の和:1913

約数の個数: 104

約数和(自身を含む): 43701802704

約数和(自身を除く): 25529099984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 937, 947, 1024, 1280, 1874, 1894, 2048, 2560, 3748, 3788, 4096, 4685, 4735, 5120, 7496, 7576, 9370, 9470, 10240, 14992, 15152, 18740, 18940, 20480, 29984, 30304, 37480, 37880, 59968, 60608, 74960, 75760, 119936, 121216, 149920, 151520, 239872, 242432, 299840, 303040, 479744, 484864, 599680, 606080, 887339, 959488, 969728, 1199360, 1212160, 1774678, 1918976, 1939456, 2398720, 2424320, 3549356, 3837952, 3878912, 4436695, 4797440, 4848640, 7098712, 8873390, 9594880, 9697280, 14197424, 17746780, 19189760, 19394560, 28394848, 35493560, 56789696, 70987120, 113579392, 141974240, 227158784, 283948480, 454317568, 567896960, 908635136, 1135793920, 1817270272, 2271587840, 3634540544, 4543175680, 9086351360, 18172702720]

約数ペア:

[(1, 18172702720), (2, 9086351360), (4, 4543175680), (5, 3634540544), (8, 2271587840), (10, 1817270272), (16, 1135793920), (20, 908635136), (32, 567896960), (40, 454317568), (64, 283948480), (80, 227158784), (128, 141974240), (160, 113579392), (256, 70987120), (320, 56789696), (512, 35493560), (640, 28394848), (937, 19394560), (947, 19189760), (1024, 17746780), (1280, 14197424), (1874, 9697280), (1894, 9594880), (2048, 8873390), (2560, 7098712), (3748, 4848640), (3788, 4797440), (4096, 4436695), (4685, 3878912), (4735, 3837952), (5120, 3549356), (7496, 2424320), (7576, 2398720), (9370, 1939456), (9470, 1918976), (10240, 1774678), (14992, 1212160), (15152, 1199360), (18740, 969728), (18940, 959488), (20480, 887339), (29984, 606080), (30304, 599680), (37480, 484864), (37880, 479744), (59968, 303040), (60608, 299840), (74960, 242432), (75760, 239872), (119936, 151520), (121216, 149920)]