19531707

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3823}}^1$

素因数の和:3970

約数の個数: 16

約数和(自身を含む): 28267008

約数和(自身を除く): 8735301

約数列:

[1, 3, 13, 39, 131, 393, 1703, 3823, 5109, 11469, 49699, 149097, 500813, 1502439, 6510569, 19531707]

約数ペア:

[(1, 19531707), (3, 6510569), (13, 1502439), (39, 500813), (131, 149097), (393, 49699), (1703, 11469), (3823, 5109)]