19399806

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 43662528

約数和(自身を除く): 24262722

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 97, 123, 194, 246, 271, 291, 369, 542, 582, 738, 813, 873, 1626, 1746, 2439, 3977, 4878, 7954, 11111, 11931, 22222, 23862, 26287, 33333, 35793, 52574, 66666, 71586, 78861, 99999, 157722, 199998, 236583, 473166, 1077767, 2155534, 3233301, 6466602, 9699903, 19399806]

約数ペア:

[(1, 19399806), (2, 9699903), (3, 6466602), (6, 3233301), (9, 2155534), (18, 1077767), (41, 473166), (82, 236583), (97, 199998), (123, 157722), (194, 99999), (246, 78861), (271, 71586), (291, 66666), (369, 52574), (542, 35793), (582, 33333), (738, 26287), (813, 23862), (873, 22222), (1626, 11931), (1746, 11111), (2439, 7954), (3977, 4878)]