18483765

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28657}}^1$

素因数の和:28708

約数の個数: 16

約数和(自身を含む): 30262848

約数和(自身を除く): 11779083

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28657, 85971, 143285, 429855, 1232251, 3696753, 6161255, 18483765]

約数ペア:

[(1, 18483765), (3, 6161255), (5, 3696753), (15, 1232251), (43, 429855), (129, 143285), (215, 85971), (645, 28657)]