38003990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 72576000

約数和(自身を除く): 34572010

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 1439, 2641, 2878, 5282, 7195, 13205, 14390, 26410, 27341, 54682, 136705, 200021, 273410, 400042, 1000105, 2000210, 3800399, 7600798, 19001995, 38003990]

約数ペア:

[(1, 38003990), (2, 19001995), (5, 7600798), (10, 3800399), (19, 2000210), (38, 1000105), (95, 400042), (139, 273410), (190, 200021), (278, 136705), (695, 54682), (1390, 27341), (1439, 26410), (2641, 14390), (2878, 13205), (5282, 7195)]