18778890236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{247090661}}^1$

素因数の和:247090684

約数の個数: 12

約数和(自身を含む): 34592692680

約数和(自身を除く): 15813802444

約数列:

[1, 2, 4, 19, 38, 76, 247090661, 494181322, 988362644, 4694722559, 9389445118, 18778890236]

約数ペア:

[(1, 18778890236), (2, 9389445118), (4, 4694722559), (19, 988362644), (38, 494181322), (76, 247090661)]