19622943

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 29069040

約数和(自身を除く): 9446097

約数列:

[1, 3, 9, 83, 109, 241, 249, 327, 723, 747, 981, 2169, 9047, 20003, 26269, 27141, 60009, 78807, 81423, 180027, 236421, 2180327, 6540981, 19622943]

約数ペア:

[(1, 19622943), (3, 6540981), (9, 2180327), (83, 236421), (109, 180027), (241, 81423), (249, 78807), (327, 60009), (723, 27141), (747, 26269), (981, 20003), (2169, 9047)]