18722410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 41286240

約数和(自身を除く): 22563830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2011, 4022, 4655, 9310, 10055, 14077, 20110, 28154, 38209, 70385, 76418, 98539, 140770, 191045, 197078, 267463, 382090, 492695, 534926, 985390, 1337315, 1872241, 2674630, 3744482, 9361205, 18722410]

約数ペア:

[(1, 18722410), (2, 9361205), (5, 3744482), (7, 2674630), (10, 1872241), (14, 1337315), (19, 985390), (35, 534926), (38, 492695), (49, 382090), (70, 267463), (95, 197078), (98, 191045), (133, 140770), (190, 98539), (245, 76418), (266, 70385), (490, 38209), (665, 28154), (931, 20110), (1330, 14077), (1862, 10055), (2011, 9310), (4022, 4655)]