19310384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63521}}^1$

素因数の和:63548

約数の個数: 20

約数和(自身を含む): 39383640

約数和(自身を除く): 20073256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63521, 127042, 254084, 508168, 1016336, 1206899, 2413798, 4827596, 9655192, 19310384]

約数ペア:

[(1, 19310384), (2, 9655192), (4, 4827596), (8, 2413798), (16, 1206899), (19, 1016336), (38, 508168), (76, 254084), (152, 127042), (304, 63521)]