19909802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1291}}^1$

素因数の和:2005

約数の個数: 16

約数和(自身を含む): 32651424

約数和(自身を除く): 12741622

約数列:

[1, 2, 11, 22, 701, 1291, 1402, 2582, 7711, 14201, 15422, 28402, 904991, 1809982, 9954901, 19909802]

約数ペア:

[(1, 19909802), (2, 9954901), (11, 1809982), (22, 904991), (701, 28402), (1291, 15422), (1402, 14201), (2582, 7711)]