19495895

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 23885280

約数和(自身を除く): 4389385

約数列:

[1, 5, 89, 193, 227, 445, 965, 1135, 17177, 20203, 43811, 85885, 101015, 219055, 3899179, 19495895]

約数ペア:

[(1, 19495895), (5, 3899179), (89, 219055), (193, 101015), (227, 85885), (445, 43811), (965, 20203), (1135, 17177)]