19482771

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 35758080

約数和(自身を除く): 16275309

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 193, 209, 231, 253, 399, 437, 483, 579, 627, 759, 1311, 1351, 1463, 1771, 2123, 3059, 3667, 4053, 4389, 4439, 4807, 5313, 6369, 9177, 11001, 13317, 14421, 14861, 25669, 31073, 33649, 40337, 44583, 48829, 77007, 84341, 93219, 100947, 121011, 146487, 253023, 282359, 341803, 590387, 847077, 927751, 1025409, 1771161, 2783253, 6494257, 19482771]

約数ペア:

[(1, 19482771), (3, 6494257), (7, 2783253), (11, 1771161), (19, 1025409), (21, 927751), (23, 847077), (33, 590387), (57, 341803), (69, 282359), (77, 253023), (133, 146487), (161, 121011), (193, 100947), (209, 93219), (231, 84341), (253, 77007), (399, 48829), (437, 44583), (483, 40337), (579, 33649), (627, 31073), (759, 25669), (1311, 14861), (1351, 14421), (1463, 13317), (1771, 11001), (2123, 9177), (3059, 6369), (3667, 5313), (4053, 4807), (4389, 4439)]