19909089

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{5039}}^1$

素因数の和:5484

約数の個数: 12

約数和(自身を含む): 28828800

約数和(自身を除く): 8919711

約数列:

[1, 3, 9, 439, 1317, 3951, 5039, 15117, 45351, 2212121, 6636363, 19909089]

約数ペア:

[(1, 19909089), (3, 6636363), (9, 2212121), (439, 45351), (1317, 15117), (3951, 5039)]