19979571084

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3520009}}^1$

素因数の和:3520070

約数の個数: 48

約数和(自身を含む): 52039827840

約数和(自身を除く): 32060256756

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 5676, 3520009, 7040018, 10560027, 14080036, 21120054, 38720099, 42240108, 77440198, 116160297, 151360387, 154880396, 232320594, 302720774, 454081161, 464641188, 605441548, 908162322, 1664964257, 1816324644, 3329928514, 4994892771, 6659857028, 9989785542, 19979571084]

約数ペア:

[(1, 19979571084), (2, 9989785542), (3, 6659857028), (4, 4994892771), (6, 3329928514), (11, 1816324644), (12, 1664964257), (22, 908162322), (33, 605441548), (43, 464641188), (44, 454081161), (66, 302720774), (86, 232320594), (129, 154880396), (132, 151360387), (172, 116160297), (258, 77440198), (473, 42240108), (516, 38720099), (946, 21120054), (1419, 14080036), (1892, 10560027), (2838, 7040018), (5676, 3520009)]