19716961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 22560768

約数和(自身を除く): 2843807

約数列:

[1, 11, 31, 67, 341, 737, 863, 2077, 9493, 22847, 26753, 57821, 294283, 636031, 1792451, 19716961]

約数ペア:

[(1, 19716961), (11, 1792451), (31, 636031), (67, 294283), (341, 57821), (737, 26753), (863, 22847), (2077, 9493)]