18896842

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:725

約数の個数: 16

約数和(自身を含む): 28810080

約数和(自身を除く): 9913238

約数列:

[1, 2, 107, 214, 227, 389, 454, 778, 24289, 41623, 48578, 83246, 88303, 176606, 9448421, 18896842]

約数ペア:

[(1, 18896842), (2, 9448421), (107, 176606), (214, 88303), (227, 83246), (389, 48578), (454, 41623), (778, 24289)]