19727642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21871}}^1$

素因数の和:21925

約数の個数: 16

約数和(自身を含む): 33070464

約数和(自身を除く): 13342822

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21871, 43742, 240581, 481162, 896711, 1793422, 9863821, 19727642]

約数ペア:

[(1, 19727642), (2, 9863821), (11, 1793422), (22, 896711), (41, 481162), (82, 240581), (451, 43742), (902, 21871)]