22518979

素因数分解:

$7^4\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 20

約数和(自身を含む): 26822376

約数和(自身を除く): 4303397

約数列:

[1, 7, 49, 83, 113, 343, 581, 791, 2401, 4067, 5537, 9379, 28469, 38759, 65653, 199283, 271313, 459571, 3216997, 22518979]

約数ペア:

[(1, 22518979), (7, 3216997), (49, 459571), (83, 271313), (113, 199283), (343, 65653), (581, 38759), (791, 28469), (2401, 9379), (4067, 5537)]