19227380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4831}}^1$

素因数の和:5039

約数の個数: 24

約数和(自身を含む): 40588800

約数和(自身を除く): 21361420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4831, 9662, 19324, 24155, 48310, 96620, 961369, 1922738, 3845476, 4806845, 9613690, 19227380]

約数ペア:

[(1, 19227380), (2, 9613690), (4, 4806845), (5, 3845476), (10, 1922738), (20, 961369), (199, 96620), (398, 48310), (796, 24155), (995, 19324), (1990, 9662), (3980, 4831)]