19662465

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{8681}}^1$

素因数の和:8840

約数の個数: 16

約数和(自身を含む): 31671936

約数和(自身を除く): 12009471

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 8681, 26043, 43405, 130215, 1310831, 3932493, 6554155, 19662465]

約数ペア:

[(1, 19662465), (3, 6554155), (5, 3932493), (15, 1310831), (151, 130215), (453, 43405), (755, 26043), (2265, 8681)]