638900270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3362633}}^1$

素因数の和:3362659

約数の個数: 16

約数和(自身を含む): 1210548240

約数和(自身を除く): 571647970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 3362633, 6725266, 16813165, 33626330, 63890027, 127780054, 319450135, 638900270]

約数ペア:

[(1, 638900270), (2, 319450135), (5, 127780054), (10, 63890027), (19, 33626330), (38, 16813165), (95, 6725266), (190, 3362633)]