19434155

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 25605360

約数和(自身を除く): 6171205

約数列:

[1, 5, 13, 65, 109, 169, 211, 545, 845, 1055, 1417, 2743, 7085, 13715, 18421, 22999, 35659, 92105, 114995, 178295, 298987, 1494935, 3886831, 19434155]

約数ペア:

[(1, 19434155), (5, 3886831), (13, 1494935), (65, 298987), (109, 178295), (169, 114995), (211, 92105), (545, 35659), (845, 22999), (1055, 18421), (1417, 13715), (2743, 7085)]