18726351

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18973}}^1$

素因数の和:19030

約数の個数: 16

約数和(自身を含む): 29144064

約数和(自身を除く): 10417713

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 18973, 56919, 132811, 398433, 891731, 2675193, 6242117, 18726351]

約数ペア:

[(1, 18726351), (3, 6242117), (7, 2675193), (21, 891731), (47, 398433), (141, 132811), (329, 56919), (987, 18973)]