19405004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{255329}}^1$

素因数の和:255352

約数の個数: 12

約数和(自身を含む): 35746200

約数和(自身を除く): 16341196

約数列:

[1, 2, 4, 19, 38, 76, 255329, 510658, 1021316, 4851251, 9702502, 19405004]

約数ペア:

[(1, 19405004), (2, 9702502), (4, 4851251), (19, 1021316), (38, 510658), (76, 255329)]