19563874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6491}}^1$

素因数の和:6641

約数の個数: 16

約数和(自身を含む): 32252256

約数和(自身を除く): 12688382

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6491, 12982, 71401, 142802, 889267, 1778534, 9781937, 19563874]

約数ペア:

[(1, 19563874), (2, 9781937), (11, 1778534), (22, 889267), (137, 142802), (274, 71401), (1507, 12982), (3014, 6491)]