19542081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 28834176

約数和(自身を除く): 9292095

約数列:

[1, 3, 13, 39, 43, 129, 271, 559, 813, 1677, 1849, 3523, 5547, 10569, 11653, 24037, 34959, 72111, 151489, 454467, 501079, 1503237, 6514027, 19542081]

約数ペア:

[(1, 19542081), (3, 6514027), (13, 1503237), (39, 501079), (43, 454467), (129, 151489), (271, 72111), (559, 34959), (813, 24037), (1677, 11653), (1849, 10569), (3523, 5547)]