19882899

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 9906861

約数列:

[1, 3, 9, 43, 83, 129, 249, 387, 619, 747, 1857, 3569, 5571, 10707, 26617, 32121, 51377, 79851, 154131, 239553, 462393, 2209211, 6627633, 19882899]

約数ペア:

[(1, 19882899), (3, 6627633), (9, 2209211), (43, 462393), (83, 239553), (129, 154131), (249, 79851), (387, 51377), (619, 32121), (747, 26617), (1857, 10707), (3569, 5571)]