8338340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21943}}^1$

素因数の和:21971

約数の個数: 24

約数和(自身を含む): 18432960

約数和(自身を除く): 10094620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21943, 43886, 87772, 109715, 219430, 416917, 438860, 833834, 1667668, 2084585, 4169170, 8338340]

約数ペア:

[(1, 8338340), (2, 4169170), (4, 2084585), (5, 1667668), (10, 833834), (19, 438860), (20, 416917), (38, 219430), (76, 109715), (95, 87772), (190, 43886), (380, 21943)]