19886966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{10891}}^1$

素因数の和:10987

約数の個数: 16

約数和(自身を含む): 32937408

約数和(自身を除く): 13050442

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 10891, 21782, 119801, 239602, 903953, 1807906, 9943483, 19886966]

約数ペア:

[(1, 19886966), (2, 9943483), (11, 1807906), (22, 903953), (83, 239602), (166, 119801), (913, 21782), (1826, 10891)]