19212501

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7561}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 32183872

約数和(自身を除く): 12971371

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7561, 22683, 52927, 83171, 158781, 249513, 582197, 914881, 1746591, 2744643, 6404167, 19212501]

約数ペア:

[(1, 19212501), (3, 6404167), (7, 2744643), (11, 1746591), (21, 914881), (33, 582197), (77, 249513), (121, 158781), (231, 83171), (363, 52927), (847, 22683), (2541, 7561)]