19976553

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 10293687

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1259, 1763, 3777, 5289, 11331, 15867, 51619, 54137, 154857, 162411, 464571, 487233, 2219617, 6658851, 19976553]

約数ペア:

[(1, 19976553), (3, 6658851), (9, 2219617), (41, 487233), (43, 464571), (123, 162411), (129, 154857), (369, 54137), (387, 51619), (1259, 15867), (1763, 11331), (3777, 5289)]