19552280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 49330080

約数和(自身を除く): 29777800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1201, 1480, 1628, 2035, 2402, 3256, 4070, 4804, 6005, 8140, 9608, 12010, 13211, 16280, 24020, 26422, 44437, 48040, 52844, 66055, 88874, 105688, 132110, 177748, 222185, 264220, 355496, 444370, 488807, 528440, 888740, 977614, 1777480, 1955228, 2444035, 3910456, 4888070, 9776140, 19552280]

約数ペア:

[(1, 19552280), (2, 9776140), (4, 4888070), (5, 3910456), (8, 2444035), (10, 1955228), (11, 1777480), (20, 977614), (22, 888740), (37, 528440), (40, 488807), (44, 444370), (55, 355496), (74, 264220), (88, 222185), (110, 177748), (148, 132110), (185, 105688), (220, 88874), (296, 66055), (370, 52844), (407, 48040), (440, 44437), (740, 26422), (814, 24020), (1201, 16280), (1480, 13211), (1628, 12010), (2035, 9608), (2402, 8140), (3256, 6005), (4070, 4804)]