19857616

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23417}}^1$

素因数の和:23478

約数の個数: 20

約数和(自身を含む): 39201732

約数和(自身を除く): 19344116

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23417, 46834, 93668, 187336, 374672, 1241101, 2482202, 4964404, 9928808, 19857616]

約数ペア:

[(1, 19857616), (2, 9928808), (4, 4964404), (8, 2482202), (16, 1241101), (53, 374672), (106, 187336), (212, 93668), (424, 46834), (848, 23417)]