19937384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4523}}^1$

素因数の和:4577

約数の個数: 32

約数和(自身を含む): 40716000

約数和(自身を除く): 20778616

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4523, 9046, 18092, 36184, 85937, 131167, 171874, 262334, 343748, 524668, 687496, 1049336, 2492173, 4984346, 9968692, 19937384]

約数ペア:

[(1, 19937384), (2, 9968692), (4, 4984346), (8, 2492173), (19, 1049336), (29, 687496), (38, 524668), (58, 343748), (76, 262334), (116, 171874), (152, 131167), (232, 85937), (551, 36184), (1102, 18092), (2204, 9046), (4408, 4523)]