19668818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 14587054

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1061, 1426, 2122, 9269, 13793, 18538, 24403, 27586, 32891, 48806, 65782, 317239, 427583, 634478, 756493, 855166, 1512986, 9834409, 19668818]

約数ペア:

[(1, 19668818), (2, 9834409), (13, 1512986), (23, 855166), (26, 756493), (31, 634478), (46, 427583), (62, 317239), (299, 65782), (403, 48806), (598, 32891), (713, 27586), (806, 24403), (1061, 18538), (1426, 13793), (2122, 9269)]