19773028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19599452

約数列:

[1, 2, 4, 11, 22, 44, 53, 61, 106, 122, 139, 212, 244, 278, 556, 583, 671, 1166, 1342, 1529, 2332, 2684, 3058, 3233, 6116, 6466, 7367, 8479, 12932, 14734, 16958, 29468, 33916, 35563, 71126, 81037, 93269, 142252, 162074, 186538, 324148, 373076, 449387, 898774, 1797548, 4943257, 9886514, 19773028]

約数ペア:

[(1, 19773028), (2, 9886514), (4, 4943257), (11, 1797548), (22, 898774), (44, 449387), (53, 373076), (61, 324148), (106, 186538), (122, 162074), (139, 142252), (212, 93269), (244, 81037), (278, 71126), (556, 35563), (583, 33916), (671, 29468), (1166, 16958), (1342, 14734), (1529, 12932), (2332, 8479), (2684, 7367), (3058, 6466), (3233, 6116)]