19093221

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8191}}^1$

素因数の和:8241

約数の個数: 24

約数和(自身を含む): 32374784

約数和(自身を除く): 13281563

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8191, 24573, 57337, 73719, 172011, 303067, 516033, 909201, 2121469, 2727603, 6364407, 19093221]

約数ペア:

[(1, 19093221), (3, 6364407), (7, 2727603), (9, 2121469), (21, 909201), (37, 516033), (63, 303067), (111, 172011), (259, 73719), (333, 57337), (777, 24573), (2331, 8191)]