19270960

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1733}}^1$

素因数の和:1885

約数の個数: 40

約数和(自身を含む): 45153360

約数和(自身を除く): 25882400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1733, 2224, 2780, 3466, 5560, 6932, 8665, 11120, 13864, 17330, 27728, 34660, 69320, 138640, 240887, 481774, 963548, 1204435, 1927096, 2408870, 3854192, 4817740, 9635480, 19270960]

約数ペア:

[(1, 19270960), (2, 9635480), (4, 4817740), (5, 3854192), (8, 2408870), (10, 1927096), (16, 1204435), (20, 963548), (40, 481774), (80, 240887), (139, 138640), (278, 69320), (556, 34660), (695, 27728), (1112, 17330), (1390, 13864), (1733, 11120), (2224, 8665), (2780, 6932), (3466, 5560)]