19970691838

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{10223}}^1\times {\mathrm{7027}}^1$

素因数の和:17391

約数の個数: 16

約数和(自身を含む): 30178794240

約数和(自身を除く): 10208102402

約数列:

[1, 2, 139, 278, 7027, 10223, 14054, 20446, 976753, 1420997, 1953506, 2841994, 71837021, 143674042, 9985345919, 19970691838]

約数ペア:

[(1, 19970691838), (2, 9985345919), (139, 143674042), (278, 71837021), (7027, 2841994), (10223, 1953506), (14054, 1420997), (20446, 976753)]