19449908

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 35085960

約数和(自身を除く): 15636052

約数列:

[1, 2, 4, 41, 82, 164, 233, 466, 509, 932, 1018, 2036, 9553, 19106, 20869, 38212, 41738, 83476, 118597, 237194, 474388, 4862477, 9724954, 19449908]

約数ペア:

[(1, 19449908), (2, 9724954), (4, 4862477), (41, 474388), (82, 237194), (164, 118597), (233, 83476), (466, 41738), (509, 38212), (932, 20869), (1018, 19106), (2036, 9553)]