19238978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2029}}^1$

素因数の和:2473

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 12331582

約数列:

[1, 2, 11, 22, 431, 862, 2029, 4058, 4741, 9482, 22319, 44638, 874499, 1748998, 9619489, 19238978]

約数ペア:

[(1, 19238978), (2, 9619489), (11, 1748998), (22, 874499), (431, 44638), (862, 22319), (2029, 9482), (4058, 4741)]