19578045321

素因数分解:

$3^2\times {\mathrm{4139}}^1\times {\mathrm{525571}}^1$

素因数の和:529716

約数の個数: 12

約数和(自身を含む): 28286285040

約数和(自身を除く): 8708239719

約数列:

[1, 3, 9, 4139, 12417, 37251, 525571, 1576713, 4730139, 2175338369, 6526015107, 19578045321]

約数ペア:

[(1, 19578045321), (3, 6526015107), (9, 2175338369), (4139, 4730139), (12417, 1576713), (37251, 525571)]