19390959

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1321}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 32172192

約数和(自身を除く): 12781233

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1321, 1631, 2097, 3963, 4893, 9247, 11889, 14679, 27741, 83223, 307793, 923379, 2154551, 2770137, 6463653, 19390959]

約数ペア:

[(1, 19390959), (3, 6463653), (7, 2770137), (9, 2154551), (21, 923379), (63, 307793), (233, 83223), (699, 27741), (1321, 14679), (1631, 11889), (2097, 9247), (3963, 4893)]