19304721

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 28924896

約数和(自身を除く): 9620175

約数列:

[1, 3, 9, 43, 83, 129, 249, 387, 601, 747, 1803, 3569, 5409, 10707, 25843, 32121, 49883, 77529, 149649, 232587, 448947, 2144969, 6434907, 19304721]

約数ペア:

[(1, 19304721), (3, 6434907), (9, 2144969), (43, 448947), (83, 232587), (129, 149649), (249, 77529), (387, 49883), (601, 32121), (747, 25843), (1803, 10707), (3569, 5409)]