17890004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{406591}}^1$

素因数の和:406606

約数の個数: 12

約数和(自身を含む): 34153728

約数和(自身を除く): 16263724

約数列:

[1, 2, 4, 11, 22, 44, 406591, 813182, 1626364, 4472501, 8945002, 17890004]

約数ペア:

[(1, 17890004), (2, 8945002), (4, 4472501), (11, 1626364), (22, 813182), (44, 406591)]