19494867

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21589}}^1$

素因数の和:21642

約数の個数: 16

約数和(自身を含む): 30398720

約数和(自身を除く): 10903853

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21589, 64767, 151123, 453369, 928327, 2784981, 6498289, 19494867]

約数ペア:

[(1, 19494867), (3, 6498289), (7, 2784981), (21, 928327), (43, 453369), (129, 151123), (301, 64767), (903, 21589)]