19708128

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6221}}^1$

素因数の和:6248

約数の個数: 72

約数和(自身を含む): 61149816

約数和(自身を除く): 41441688

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6221, 12442, 18663, 24884, 37326, 49768, 55989, 68431, 74652, 99536, 111978, 136862, 149304, 199072, 205293, 223956, 273724, 298608, 410586, 447912, 547448, 597216, 615879, 821172, 895824, 1094896, 1231758, 1642344, 1791648, 2189792, 2463516, 3284688, 4927032, 6569376, 9854064, 19708128]

約数ペア:

[(1, 19708128), (2, 9854064), (3, 6569376), (4, 4927032), (6, 3284688), (8, 2463516), (9, 2189792), (11, 1791648), (12, 1642344), (16, 1231758), (18, 1094896), (22, 895824), (24, 821172), (32, 615879), (33, 597216), (36, 547448), (44, 447912), (48, 410586), (66, 298608), (72, 273724), (88, 223956), (96, 205293), (99, 199072), (132, 149304), (144, 136862), (176, 111978), (198, 99536), (264, 74652), (288, 68431), (352, 55989), (396, 49768), (528, 37326), (792, 24884), (1056, 18663), (1584, 12442), (3168, 6221)]