18933789

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1579}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 28920320

約数和(自身を除く): 9986531

約数列:

[1, 3, 7, 21, 571, 1579, 1713, 3997, 4737, 11053, 11991, 33159, 901609, 2704827, 6311263, 18933789]

約数ペア:

[(1, 18933789), (3, 6311263), (7, 2704827), (21, 901609), (571, 33159), (1579, 11991), (1713, 11053), (3997, 4737)]