19357611

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 34771968

約数和(自身を除く): 15414357

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 91, 97, 119, 129, 221, 273, 291, 301, 357, 559, 663, 679, 731, 903, 1261, 1547, 1649, 1677, 2037, 2193, 3783, 3913, 4171, 4641, 4947, 5117, 8827, 9503, 11543, 11739, 12513, 15351, 21437, 26481, 28509, 29197, 34629, 54223, 64311, 66521, 70907, 87591, 150059, 162669, 199563, 212721, 379561, 450177, 496349, 921791, 1138683, 1489047, 2765373, 6452537, 19357611]

約数ペア:

[(1, 19357611), (3, 6452537), (7, 2765373), (13, 1489047), (17, 1138683), (21, 921791), (39, 496349), (43, 450177), (51, 379561), (91, 212721), (97, 199563), (119, 162669), (129, 150059), (221, 87591), (273, 70907), (291, 66521), (301, 64311), (357, 54223), (559, 34629), (663, 29197), (679, 28509), (731, 26481), (903, 21437), (1261, 15351), (1547, 12513), (1649, 11739), (1677, 11543), (2037, 9503), (2193, 8827), (3783, 5117), (3913, 4947), (4171, 4641)]