19501455364

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{2657}}^1$

素因数の和:3192

約数の個数: 48

約数和(自身を含む): 35265812400

約数和(自身を除く): 15764357036

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 389, 778, 1556, 2657, 4717, 5314, 9434, 10628, 18868, 20617, 34621, 41234, 69242, 82468, 138484, 140821, 236473, 281642, 472946, 563284, 945892, 1033573, 1834913, 2067146, 3669826, 4134292, 7339652, 12533069, 25066138, 50132276, 54779369, 91987997, 109558738, 183975994, 219117476, 367951988, 4875363841, 9750727682, 19501455364]

約数ペア:

[(1, 19501455364), (2, 9750727682), (4, 4875363841), (53, 367951988), (89, 219117476), (106, 183975994), (178, 109558738), (212, 91987997), (356, 54779369), (389, 50132276), (778, 25066138), (1556, 12533069), (2657, 7339652), (4717, 4134292), (5314, 3669826), (9434, 2067146), (10628, 1834913), (18868, 1033573), (20617, 945892), (34621, 563284), (41234, 472946), (69242, 281642), (82468, 236473), (138484, 140821)]