19768791

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1933}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 30201344

約数和(自身を除く): 10432553

約数列:

[1, 3, 7, 21, 487, 1461, 1933, 3409, 5799, 10227, 13531, 40593, 941371, 2824113, 6589597, 19768791]

約数ペア:

[(1, 19768791), (3, 6589597), (7, 2824113), (21, 941371), (487, 40593), (1461, 13531), (1933, 10227), (3409, 5799)]