19965127

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9539}}^1$

素因数の和:9582

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 5678393

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9539, 66773, 124007, 219397, 868049, 1535779, 2852161, 19965127]

約数ペア:

[(1, 19965127), (7, 2852161), (13, 1535779), (23, 868049), (91, 219397), (161, 124007), (299, 66773), (2093, 9539)]