19806159

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{907}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 7651761

約数列:

[1, 3, 29, 87, 251, 753, 907, 2721, 7279, 21837, 26303, 78909, 227657, 682971, 6602053, 19806159]

約数ペア:

[(1, 19806159), (3, 6602053), (29, 682971), (87, 227657), (251, 78909), (753, 26303), (907, 21837), (2721, 7279)]