18920998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2137}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 30017520

約数和(自身を除く): 11096522

約数列:

[1, 2, 19, 38, 233, 466, 2137, 4274, 4427, 8854, 40603, 81206, 497921, 995842, 9460499, 18920998]

約数ペア:

[(1, 18920998), (2, 9460499), (19, 995842), (38, 497921), (233, 81206), (466, 40603), (2137, 8854), (4274, 4427)]