18065719

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 21593088

約数和(自身を除く): 3527369

約数列:

[1, 7, 43, 47, 301, 329, 1277, 2021, 8939, 14147, 54911, 60019, 384377, 420133, 2580817, 18065719]

約数ペア:

[(1, 18065719), (7, 2580817), (43, 420133), (47, 384377), (301, 60019), (329, 54911), (1277, 14147), (2021, 8939)]