18025091

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1019}}^1$

素因数の和:1071

約数の個数: 18

約数和(自身を含む): 22151340

約数和(自身を除く): 4126249

約数列:

[1, 7, 19, 49, 133, 361, 931, 1019, 2527, 7133, 17689, 19361, 49931, 135527, 367859, 948689, 2575013, 18025091]

約数ペア:

[(1, 18025091), (7, 2575013), (19, 948689), (49, 367859), (133, 135527), (361, 49931), (931, 19361), (1019, 17689), (2527, 7133)]