18920824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181931}}^1$

素因数の和:181950

約数の個数: 16

約数和(自身を含む): 38205720

約数和(自身を除く): 19284896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181931, 363862, 727724, 1455448, 2365103, 4730206, 9460412, 18920824]

約数ペア:

[(1, 18920824), (2, 9460412), (4, 4730206), (8, 2365103), (13, 1455448), (26, 727724), (52, 363862), (104, 181931)]