18671423

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:163

約数の個数: 18

約数和(自身を含む): 21094584

約数和(自身を除く): 2423161

約数列:

[1, 17, 23, 53, 289, 391, 901, 1219, 2809, 6647, 15317, 20723, 47753, 64607, 352291, 811801, 1098319, 18671423]

約数ペア:

[(1, 18671423), (17, 1098319), (23, 811801), (53, 352291), (289, 64607), (391, 47753), (901, 20723), (1219, 15317), (2809, 6647)]