19973286

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 25432074

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 461, 498, 522, 747, 922, 1383, 1494, 2407, 2766, 4149, 4814, 7221, 8298, 13369, 14442, 21663, 26738, 38263, 40107, 43326, 76526, 80214, 114789, 120321, 229578, 240642, 344367, 688734, 1109627, 2219254, 3328881, 6657762, 9986643, 19973286]

約数ペア:

[(1, 19973286), (2, 9986643), (3, 6657762), (6, 3328881), (9, 2219254), (18, 1109627), (29, 688734), (58, 344367), (83, 240642), (87, 229578), (166, 120321), (174, 114789), (249, 80214), (261, 76526), (461, 43326), (498, 40107), (522, 38263), (747, 26738), (922, 21663), (1383, 14442), (1494, 13369), (2407, 8298), (2766, 7221), (4149, 4814)]