19625517

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{7057}}^1$

素因数の和:7169

約数の個数: 16

約数和(自身を含む): 29361280

約数和(自身を除く): 9735763

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 7057, 21171, 63513, 190539, 726871, 2180613, 6541839, 19625517]

約数ペア:

[(1, 19625517), (3, 6541839), (9, 2180613), (27, 726871), (103, 190539), (309, 63513), (927, 21171), (2781, 7057)]