18798714

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 47073312

約数和(自身を除く): 28274598

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 263, 342, 361, 418, 526, 627, 722, 789, 1083, 1254, 1578, 1881, 2166, 2367, 2893, 3249, 3762, 3971, 4734, 4997, 5786, 6498, 7942, 8679, 9994, 11913, 14991, 17358, 23826, 26037, 29982, 35739, 44973, 52074, 54967, 71478, 89946, 94943, 109934, 164901, 189886, 284829, 329802, 494703, 569658, 854487, 989406, 1044373, 1708974, 2088746, 3133119, 6266238, 9399357, 18798714]

約数ペア:

[(1, 18798714), (2, 9399357), (3, 6266238), (6, 3133119), (9, 2088746), (11, 1708974), (18, 1044373), (19, 989406), (22, 854487), (33, 569658), (38, 494703), (57, 329802), (66, 284829), (99, 189886), (114, 164901), (171, 109934), (198, 94943), (209, 89946), (263, 71478), (342, 54967), (361, 52074), (418, 44973), (526, 35739), (627, 29982), (722, 26037), (789, 23826), (1083, 17358), (1254, 14991), (1578, 11913), (1881, 9994), (2166, 8679), (2367, 7942), (2893, 6498), (3249, 5786), (3762, 4997), (3971, 4734)]