19973808

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4783}}^1$

素因数の和:4826

約数の個数: 60

約数和(自身を含む): 57838560

約数和(自身を除く): 37864752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4783, 9566, 14349, 19132, 28698, 38264, 43047, 57396, 76528, 86094, 114792, 138707, 172188, 229584, 277414, 344376, 416121, 554828, 688752, 832242, 1109656, 1248363, 1664484, 2219312, 2496726, 3328968, 4993452, 6657936, 9986904, 19973808]

約数ペア:

[(1, 19973808), (2, 9986904), (3, 6657936), (4, 4993452), (6, 3328968), (8, 2496726), (9, 2219312), (12, 1664484), (16, 1248363), (18, 1109656), (24, 832242), (29, 688752), (36, 554828), (48, 416121), (58, 344376), (72, 277414), (87, 229584), (116, 172188), (144, 138707), (174, 114792), (232, 86094), (261, 76528), (348, 57396), (464, 43047), (522, 38264), (696, 28698), (1044, 19132), (1392, 14349), (2088, 9566), (4176, 4783)]