18540651

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 25458048

約数和(自身を除く): 6917397

約数列:

[1, 3, 41, 123, 307, 491, 921, 1473, 12587, 20131, 37761, 60393, 150737, 452211, 6180217, 18540651]

約数ペア:

[(1, 18540651), (3, 6180217), (41, 452211), (123, 150737), (307, 60393), (491, 37761), (921, 20131), (1473, 12587)]