20180761911

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{47708657}}^1$

素因数の和:47708710

約数の個数: 12

約数和(自身を含む): 29770202592

約数和(自身を除く): 9589440681

約数列:

[1, 3, 9, 47, 141, 423, 47708657, 143125971, 429377913, 2242306879, 6726920637, 20180761911]

約数ペア:

[(1, 20180761911), (3, 6726920637), (9, 2242306879), (47, 429377913), (141, 143125971), (423, 47708657)]