19706187137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{33331}}^1$

素因数の和:33513

約数の個数: 32

約数和(自身を含む): 24863005440

約数和(自身を除く): 5156818303

約数列:

[1, 7, 13, 73, 89, 91, 511, 623, 949, 1157, 6497, 6643, 8099, 33331, 45479, 84461, 233317, 433303, 591227, 2433163, 2966459, 3033121, 17032141, 20765213, 31631119, 38563967, 216551507, 221417833, 269947769, 1515860549, 2815169591, 19706187137]

約数ペア:

[(1, 19706187137), (7, 2815169591), (13, 1515860549), (73, 269947769), (89, 221417833), (91, 216551507), (511, 38563967), (623, 31631119), (949, 20765213), (1157, 17032141), (6497, 3033121), (6643, 2966459), (8099, 2433163), (33331, 591227), (45479, 433303), (84461, 233317)]