19378439240

素因数分解:

$2^3\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{248569}}^1$

素因数の和:250529

約数の個数: 32

約数和(自身を含む): 43624035000

約数和(自身を除く): 24245595760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949, 3898, 7796, 9745, 15592, 19490, 38980, 77960, 248569, 497138, 994276, 1242845, 1988552, 2485690, 4971380, 9942760, 484460981, 968921962, 1937843924, 2422304905, 3875687848, 4844609810, 9689219620, 19378439240]

約数ペア:

[(1, 19378439240), (2, 9689219620), (4, 4844609810), (5, 3875687848), (8, 2422304905), (10, 1937843924), (20, 968921962), (40, 484460981), (1949, 9942760), (3898, 4971380), (7796, 2485690), (9745, 1988552), (15592, 1242845), (19490, 994276), (38980, 497138), (77960, 248569)]