18637773

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80683}}^1$

素因数の和:80704

約数の個数: 16

約数和(自身を含む): 30982656

約数和(自身を除く): 12344883

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80683, 242049, 564781, 887513, 1694343, 2662539, 6212591, 18637773]

約数ペア:

[(1, 18637773), (3, 6212591), (7, 2662539), (11, 1694343), (21, 887513), (33, 564781), (77, 242049), (231, 80683)]