18530709

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 25903104

約数和(自身を除く): 7372395

約数列:

[1, 3, 23, 69, 271, 813, 991, 2973, 6233, 18699, 22793, 68379, 268561, 805683, 6176903, 18530709]

約数ペア:

[(1, 18530709), (3, 6176903), (23, 805683), (69, 268561), (271, 68379), (813, 22793), (991, 18699), (2973, 6233)]