18926321

素因数分解:

${\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1600

約数の個数: 12

約数和(自身を含む): 20586192

約数和(自身を除く): 1659871

約数列:

[1, 17, 43, 289, 731, 1523, 12427, 25891, 65489, 440147, 1113313, 18926321]

約数ペア:

[(1, 18926321), (17, 1113313), (43, 440147), (289, 65489), (731, 25891), (1523, 12427)]