19202540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7219}}^1$

素因数の和:7254

約数の個数: 48

約数和(自身を含む): 48518400

約数和(自身を除く): 29315860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7219, 14438, 28876, 36095, 50533, 72190, 101066, 137161, 144380, 202132, 252665, 274322, 505330, 548644, 685805, 960127, 1010660, 1371610, 1920254, 2743220, 3840508, 4800635, 9601270, 19202540]

約数ペア:

[(1, 19202540), (2, 9601270), (4, 4800635), (5, 3840508), (7, 2743220), (10, 1920254), (14, 1371610), (19, 1010660), (20, 960127), (28, 685805), (35, 548644), (38, 505330), (70, 274322), (76, 252665), (95, 202132), (133, 144380), (140, 137161), (190, 101066), (266, 72190), (380, 50533), (532, 36095), (665, 28876), (1330, 14438), (2660, 7219)]