19668621

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1543}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 30040064

約数和(自身を除く): 10371443

約数列:

[1, 3, 7, 21, 607, 1543, 1821, 4249, 4629, 10801, 12747, 32403, 936601, 2809803, 6556207, 19668621]

約数ペア:

[(1, 19668621), (3, 6556207), (7, 2809803), (21, 936601), (607, 32403), (1543, 12747), (1821, 10801), (4249, 4629)]