19201460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6907}}^1$

素因数の和:7055

約数の個数: 24

約数和(自身を含む): 40619040

約数和(自身を除く): 21417580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6907, 13814, 27628, 34535, 69070, 138140, 960073, 1920146, 3840292, 4800365, 9600730, 19201460]

約数ペア:

[(1, 19201460), (2, 9600730), (4, 4800365), (5, 3840292), (10, 1920146), (20, 960073), (139, 138140), (278, 69070), (556, 34535), (695, 27628), (1390, 13814), (2780, 6907)]