18680738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1789}}^1$

素因数の和:2041

約数の個数: 16

約数和(自身を含む): 29384640

約数和(自身を除く): 10703902

約数列:

[1, 2, 23, 46, 227, 454, 1789, 3578, 5221, 10442, 41147, 82294, 406103, 812206, 9340369, 18680738]

約数ペア:

[(1, 18680738), (2, 9340369), (23, 812206), (46, 406103), (227, 82294), (454, 41147), (1789, 10442), (3578, 5221)]