15980364

素因数分解:

$2^2\times 3^2\times {\mathrm{443899}}^1$

素因数の和:443909

約数の個数: 18

約数和(自身を含む): 40394900

約数和(自身を除く): 24414536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443899, 887798, 1331697, 1775596, 2663394, 3995091, 5326788, 7990182, 15980364]

約数ペア:

[(1, 15980364), (2, 7990182), (3, 5326788), (4, 3995091), (6, 2663394), (9, 1775596), (12, 1331697), (18, 887798), (36, 443899)]