19946476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{453329}}^1$

素因数の和:453344

約数の個数: 12

約数和(自身を含む): 38079720

約数和(自身を除く): 18133244

約数列:

[1, 2, 4, 11, 22, 44, 453329, 906658, 1813316, 4986619, 9973238, 19946476]

約数ペア:

[(1, 19946476), (2, 9973238), (4, 4986619), (11, 1813316), (22, 906658), (44, 453329)]