18922689

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2699}}^1$

素因数の和:2765

約数の個数: 24

約数和(自身を含む): 29484000

約数和(自身を除く): 10561311

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 2699, 7011, 8097, 24291, 51281, 110659, 153843, 331977, 461529, 995931, 2102521, 6307563, 18922689]

約数ペア:

[(1, 18922689), (3, 6307563), (9, 2102521), (19, 995931), (41, 461529), (57, 331977), (123, 153843), (171, 110659), (369, 51281), (779, 24291), (2337, 8097), (2699, 7011)]