19607312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28499}}^1$

素因数の和:28550

約数の個数: 20

約数和(自身を含む): 38874000

約数和(自身を除く): 19266688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28499, 56998, 113996, 227992, 455984, 1225457, 2450914, 4901828, 9803656, 19607312]

約数ペア:

[(1, 19607312), (2, 9803656), (4, 4901828), (8, 2450914), (16, 1225457), (43, 455984), (86, 227992), (172, 113996), (344, 56998), (688, 28499)]