19853307

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 29641248

約数和(自身を除く): 9787941

約数列:

[1, 3, 9, 41, 123, 173, 311, 369, 519, 933, 1557, 2799, 7093, 12751, 21279, 38253, 53803, 63837, 114759, 161409, 484227, 2205923, 6617769, 19853307]

約数ペア:

[(1, 19853307), (3, 6617769), (9, 2205923), (41, 484227), (123, 161409), (173, 114759), (311, 63837), (369, 53803), (519, 38253), (933, 21279), (1557, 12751), (2799, 7093)]