18703321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4373}}^1$

素因数の和:4440

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 4811303

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4373, 30611, 56849, 205531, 397943, 1438717, 2671903, 18703321]

約数ペア:

[(1, 18703321), (7, 2671903), (13, 1438717), (47, 397943), (91, 205531), (329, 56849), (611, 30611), (4277, 4373)]