18131578

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 27656640

約数和(自身を除く): 9525062

約数列:

[1, 2, 107, 193, 214, 386, 439, 878, 20651, 41302, 46973, 84727, 93946, 169454, 9065789, 18131578]

約数ペア:

[(1, 18131578), (2, 9065789), (107, 169454), (193, 93946), (214, 84727), (386, 46973), (439, 41302), (878, 20651)]