19166906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20261}}^1$

素因数の和:20317

約数の個数: 16

約数和(自身を含む): 32095008

約数和(自身を除く): 12928102

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20261, 40522, 222871, 445742, 871223, 1742446, 9583453, 19166906]

約数ペア:

[(1, 19166906), (2, 9583453), (11, 1742446), (22, 871223), (43, 445742), (86, 222871), (473, 40522), (946, 20261)]