17989812

素因数分解:

$2^2\times 3^2\times {\mathrm{499717}}^1$

素因数の和:499727

約数の個数: 18

約数和(自身を含む): 45474338

約数和(自身を除く): 27484526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499717, 999434, 1499151, 1998868, 2998302, 4497453, 5996604, 8994906, 17989812]

約数ペア:

[(1, 17989812), (2, 8994906), (3, 5996604), (4, 4497453), (6, 2998302), (9, 1998868), (12, 1499151), (18, 999434), (36, 499717)]