18506808

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{6947}}^1$

素因数の和:6996

約数の個数: 48

約数和(自身を含む): 51484680

約数和(自身を除く): 32977872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 6947, 13894, 20841, 27788, 41682, 55576, 62523, 83364, 125046, 166728, 250092, 257039, 500184, 514078, 771117, 1028156, 1542234, 2056312, 2313351, 3084468, 4626702, 6168936, 9253404, 18506808]

約数ペア:

[(1, 18506808), (2, 9253404), (3, 6168936), (4, 4626702), (6, 3084468), (8, 2313351), (9, 2056312), (12, 1542234), (18, 1028156), (24, 771117), (36, 514078), (37, 500184), (72, 257039), (74, 250092), (111, 166728), (148, 125046), (222, 83364), (296, 62523), (333, 55576), (444, 41682), (666, 27788), (888, 20841), (1332, 13894), (2664, 6947)]