19973225836

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{45810151}}^1$

素因数の和:45810264

約数の個数: 12

約数和(自身を含む): 35273817040

約数和(自身を除く): 15300591204

約数列:

[1, 2, 4, 109, 218, 436, 45810151, 91620302, 183240604, 4993306459, 9986612918, 19973225836]

約数ペア:

[(1, 19973225836), (2, 9986612918), (4, 4993306459), (109, 183240604), (218, 91620302), (436, 45810151)]