18708459

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80989}}^1$

素因数の和:81010

約数の個数: 16

約数和(自身を含む): 31100160

約数和(自身を除く): 12391701

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80989, 242967, 566923, 890879, 1700769, 2672637, 6236153, 18708459]

約数ペア:

[(1, 18708459), (3, 6236153), (7, 2672637), (11, 1700769), (21, 890879), (33, 566923), (77, 242967), (231, 80989)]