19931044

素因数分解:

$2^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 41440000

約数和(自身を除く): 21508956

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 199, 292, 343, 398, 511, 686, 796, 1022, 1372, 1393, 2044, 2786, 3577, 5572, 7154, 9751, 14308, 14527, 19502, 25039, 29054, 39004, 50078, 58108, 68257, 100156, 101689, 136514, 203378, 273028, 406756, 711823, 1423646, 2847292, 4982761, 9965522, 19931044]

約数ペア:

[(1, 19931044), (2, 9965522), (4, 4982761), (7, 2847292), (14, 1423646), (28, 711823), (49, 406756), (73, 273028), (98, 203378), (146, 136514), (196, 101689), (199, 100156), (292, 68257), (343, 58108), (398, 50078), (511, 39004), (686, 29054), (796, 25039), (1022, 19502), (1372, 14527), (1393, 14308), (2044, 9751), (2786, 7154), (3577, 5572)]