19744011

素因数分解:

$3^2\times 7^2\times {\mathrm{44771}}^1$

素因数の和:44791

約数の個数: 18

約数和(自身を含む): 33176052

約数和(自身を除く): 13432041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 44771, 134313, 313397, 402939, 940191, 2193779, 2820573, 6581337, 19744011]

約数ペア:

[(1, 19744011), (3, 6581337), (7, 2820573), (9, 2193779), (21, 940191), (49, 402939), (63, 313397), (147, 134313), (441, 44771)]