19944591

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3823}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 27899904

約数和(自身を除く): 7955313

約数列:

[1, 3, 37, 47, 111, 141, 1739, 3823, 5217, 11469, 141451, 179681, 424353, 539043, 6648197, 19944591]

約数ペア:

[(1, 19944591), (3, 6648197), (37, 539043), (47, 424353), (111, 179681), (141, 141451), (1739, 11469), (3823, 5217)]