19419789

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3203}}^1$

素因数の和:3296

約数の個数: 16

約数和(自身を含む): 27067392

約数和(自身を除く): 7647603

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3203, 6063, 9609, 137729, 150541, 413187, 451623, 6473263, 19419789]

約数ペア:

[(1, 19419789), (3, 6473263), (43, 451623), (47, 413187), (129, 150541), (141, 137729), (2021, 9609), (3203, 6063)]