6438340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16943}}^1$

素因数の和:16971

約数の個数: 24

約数和(自身を含む): 14232960

約数和(自身を除く): 7794620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 16943, 33886, 67772, 84715, 169430, 321917, 338860, 643834, 1287668, 1609585, 3219170, 6438340]

約数ペア:

[(1, 6438340), (2, 3219170), (4, 1609585), (5, 1287668), (10, 643834), (19, 338860), (20, 321917), (38, 169430), (76, 84715), (95, 67772), (190, 33886), (380, 16943)]