19504268

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9811}}^1$

素因数の和:9893

約数の個数: 24

約数和(自身を含む): 39561984

約数和(自身を除く): 20057716

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9811, 19622, 39244, 68677, 137354, 274708, 696581, 1393162, 2786324, 4876067, 9752134, 19504268]

約数ペア:

[(1, 19504268), (2, 9752134), (4, 4876067), (7, 2786324), (14, 1393162), (28, 696581), (71, 274708), (142, 137354), (284, 68677), (497, 39244), (994, 19622), (1988, 9811)]