15980724

素因数分解:

$2^2\times 3^2\times {\mathrm{443909}}^1$

素因数の和:443919

約数の個数: 18

約数和(自身を含む): 40395810

約数和(自身を除く): 24415086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443909, 887818, 1331727, 1775636, 2663454, 3995181, 5326908, 7990362, 15980724]

約数ペア:

[(1, 15980724), (2, 7990362), (3, 5326908), (4, 3995181), (6, 2663454), (9, 1775636), (12, 1331727), (18, 887818), (36, 443909)]