18703570131

素因数分解:

$3^2\times {\mathrm{653}}^1\times {\mathrm{3182503}}^1$

素因数の和:3183162

約数の個数: 12

約数和(自身を含む): 27057649008

約数和(自身を除く): 8354078877

約数列:

[1, 3, 9, 653, 1959, 5877, 3182503, 9547509, 28642527, 2078174459, 6234523377, 18703570131]

約数ペア:

[(1, 18703570131), (3, 6234523377), (9, 2078174459), (653, 28642527), (1959, 9547509), (5877, 3182503)]