2019691952

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{21169}}^1$

素因数の和:21333

約数の個数: 40

約数和(自身を含む): 4016372400

約数和(自身を除く): 1996680448

約数列:

[1, 2, 4, 8, 16, 67, 89, 134, 178, 268, 356, 536, 712, 1072, 1424, 5963, 11926, 21169, 23852, 42338, 47704, 84676, 95408, 169352, 338704, 1418323, 1884041, 2836646, 3768082, 5673292, 7536164, 11346584, 15072328, 22693168, 30144656, 126230747, 252461494, 504922988, 1009845976, 2019691952]

約数ペア:

[(1, 2019691952), (2, 1009845976), (4, 504922988), (8, 252461494), (16, 126230747), (67, 30144656), (89, 22693168), (134, 15072328), (178, 11346584), (268, 7536164), (356, 5673292), (536, 3768082), (712, 2836646), (1072, 1884041), (1424, 1418323), (5963, 338704), (11926, 169352), (21169, 95408), (23852, 84676), (42338, 47704)]