19985968

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6277}}^1$

素因数の和:6484

約数の個数: 20

約数和(自身を含む): 38923600

約数和(自身を除く): 18937632

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6277, 12554, 25108, 50216, 100432, 1249123, 2498246, 4996492, 9992984, 19985968]

約数ペア:

[(1, 19985968), (2, 9992984), (4, 4996492), (8, 2498246), (16, 1249123), (199, 100432), (398, 50216), (796, 25108), (1592, 12554), (3184, 6277)]