18647912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137117}}^1$

素因数の和:137140

約数の個数: 16

約数和(自身を含む): 37021860

約数和(自身を除く): 18373948

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137117, 274234, 548468, 1096936, 2330989, 4661978, 9323956, 18647912]

約数ペア:

[(1, 18647912), (2, 9323956), (4, 4661978), (8, 2330989), (17, 1096936), (34, 548468), (68, 274234), (136, 137117)]