19480909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 4296371

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2063, 9443, 14441, 39197, 146473, 274379, 1025311, 2782987, 19480909]

約数ペア:

[(1, 19480909), (7, 2782987), (19, 1025311), (71, 274379), (133, 146473), (497, 39197), (1349, 14441), (2063, 9443)]