19983177

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 30756960

約数和(自身を除く): 10773783

約数列:

[1, 3, 9, 17, 51, 153, 211, 619, 633, 1857, 1899, 3587, 5571, 10523, 10761, 31569, 32283, 94707, 130609, 391827, 1175481, 2220353, 6661059, 19983177]

約数ペア:

[(1, 19983177), (3, 6661059), (9, 2220353), (17, 1175481), (51, 391827), (153, 130609), (211, 94707), (619, 32283), (633, 31569), (1857, 10761), (1899, 10523), (3587, 5571)]