19896212

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3607}}^1$

素因数の和:3815

約数の個数: 24

約数和(自身を含む): 40005504

約数和(自身を除く): 20109292

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3607, 5516, 7214, 14428, 25249, 50498, 100996, 710579, 1421158, 2842316, 4974053, 9948106, 19896212]

約数ペア:

[(1, 19896212), (2, 9948106), (4, 4974053), (7, 2842316), (14, 1421158), (28, 710579), (197, 100996), (394, 50498), (788, 25249), (1379, 14428), (2758, 7214), (3607, 5516)]