19922889

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22063}}^1$

素因数の和:22116

約数の個数: 16

約数和(自身を含む): 31066112

約数和(自身を除く): 11143223

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22063, 66189, 154441, 463323, 948709, 2846127, 6640963, 19922889]

約数ペア:

[(1, 19922889), (3, 6640963), (7, 2846127), (21, 948709), (43, 463323), (129, 154441), (301, 66189), (903, 22063)]