19972494

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 80

約数和(自身を含む): 47811456

約数和(自身を除く): 27838962

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 41, 54, 62, 81, 82, 93, 97, 123, 162, 186, 194, 246, 279, 291, 369, 558, 582, 738, 837, 873, 1107, 1271, 1674, 1746, 2214, 2511, 2542, 2619, 3007, 3321, 3813, 3977, 5022, 5238, 6014, 6642, 7626, 7857, 7954, 9021, 11439, 11931, 15714, 18042, 22878, 23862, 27063, 34317, 35793, 54126, 68634, 71586, 81189, 102951, 107379, 123287, 162378, 205902, 214758, 243567, 246574, 322137, 369861, 487134, 644274, 739722, 1109583, 2219166, 3328749, 6657498, 9986247, 19972494]

約数ペア:

[(1, 19972494), (2, 9986247), (3, 6657498), (6, 3328749), (9, 2219166), (18, 1109583), (27, 739722), (31, 644274), (41, 487134), (54, 369861), (62, 322137), (81, 246574), (82, 243567), (93, 214758), (97, 205902), (123, 162378), (162, 123287), (186, 107379), (194, 102951), (246, 81189), (279, 71586), (291, 68634), (369, 54126), (558, 35793), (582, 34317), (738, 27063), (837, 23862), (873, 22878), (1107, 18042), (1271, 15714), (1674, 11931), (1746, 11439), (2214, 9021), (2511, 7954), (2542, 7857), (2619, 7626), (3007, 6642), (3321, 6014), (3813, 5238), (3977, 5022)]