67618340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{177943}}^1$

素因数の和:177971

約数の個数: 24

約数和(自身を含む): 149472960

約数和(自身を除く): 81854620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 177943, 355886, 711772, 889715, 1779430, 3380917, 3558860, 6761834, 13523668, 16904585, 33809170, 67618340]

約数ペア:

[(1, 67618340), (2, 33809170), (4, 16904585), (5, 13523668), (10, 6761834), (19, 3558860), (20, 3380917), (38, 1779430), (76, 889715), (95, 711772), (190, 355886), (380, 177943)]