19837971

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{5021}}^1$

素因数の和:5466

約数の個数: 12

約数和(自身を含む): 28725840

約数和(自身を除く): 8887869

約数列:

[1, 3, 9, 439, 1317, 3951, 5021, 15063, 45189, 2204219, 6612657, 19837971]

約数ペア:

[(1, 19837971), (3, 6612657), (9, 2204219), (439, 45189), (1317, 15063), (3951, 5021)]