18892422

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1557

約数の個数: 48

約数和(自身を含む): 44282160

約数和(自身を除く): 25389738

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1493, 2109, 2986, 4218, 4479, 6327, 8958, 12654, 13437, 26874, 28367, 55241, 56734, 85101, 110482, 165723, 170202, 255303, 331446, 497169, 510606, 994338, 1049579, 2099158, 3148737, 6297474, 9446211, 18892422]

約数ペア:

[(1, 18892422), (2, 9446211), (3, 6297474), (6, 3148737), (9, 2099158), (18, 1049579), (19, 994338), (37, 510606), (38, 497169), (57, 331446), (74, 255303), (111, 170202), (114, 165723), (171, 110482), (222, 85101), (333, 56734), (342, 55241), (666, 28367), (703, 26874), (1406, 13437), (1493, 12654), (2109, 8958), (2986, 6327), (4218, 4479)]