18917756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33073}}^1$

素因数の和:33101

約数の個数: 24

約数和(自身を含む): 38895024

約数和(自身を除く): 19977268

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 33073, 66146, 132292, 363803, 429949, 727606, 859898, 1455212, 1719796, 4729439, 9458878, 18917756]

約数ペア:

[(1, 18917756), (2, 9458878), (4, 4729439), (11, 1719796), (13, 1455212), (22, 859898), (26, 727606), (44, 429949), (52, 363803), (143, 132292), (286, 66146), (572, 33073)]