18939717

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41263}}^1$

素因数の和:41289

約数の個数: 16

約数和(自身を含む): 29710080

約数和(自身を除く): 10770363

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41263, 123789, 371367, 701471, 1114101, 2104413, 6313239, 18939717]

約数ペア:

[(1, 18939717), (3, 6313239), (9, 2104413), (17, 1114101), (27, 701471), (51, 371367), (153, 123789), (459, 41263)]