19193080

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1093}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 43322400

約数和(自身を除く): 24129320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1093, 1756, 2186, 2195, 3512, 4372, 4390, 5465, 8744, 8780, 10930, 17560, 21860, 43720, 479827, 959654, 1919308, 2399135, 3838616, 4798270, 9596540, 19193080]

約数ペア:

[(1, 19193080), (2, 9596540), (4, 4798270), (5, 3838616), (8, 2399135), (10, 1919308), (20, 959654), (40, 479827), (439, 43720), (878, 21860), (1093, 17560), (1756, 10930), (2186, 8780), (2195, 8744), (3512, 5465), (4372, 4390)]