19973822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12437}}^1$

素因数の和:12523

約数の個数: 16

約数和(自身を含む): 33134832

約数和(自身を除く): 13161010

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12437, 24874, 136807, 273614, 907901, 1815802, 9986911, 19973822]

約数ペア:

[(1, 19973822), (2, 9986911), (11, 1815802), (22, 907901), (73, 273614), (146, 136807), (803, 24874), (1606, 12437)]