19970889604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{28439}}^1$

素因数の和:28932

約数の個数: 48

約数和(自身を含む): 38701152000

約数和(自身を除く): 18730262396

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 449, 782, 898, 1564, 1796, 7633, 10327, 15266, 20654, 28439, 30532, 41308, 56878, 113756, 175559, 351118, 483463, 654097, 702236, 966926, 1308194, 1933852, 2616388, 11119649, 12769111, 22239298, 25538222, 44478596, 51076444, 217074887, 293689553, 434149774, 587379106, 868299548, 1174758212, 4992722401, 9985444802, 19970889604]

約数ペア:

[(1, 19970889604), (2, 9985444802), (4, 4992722401), (17, 1174758212), (23, 868299548), (34, 587379106), (46, 434149774), (68, 293689553), (92, 217074887), (391, 51076444), (449, 44478596), (782, 25538222), (898, 22239298), (1564, 12769111), (1796, 11119649), (7633, 2616388), (10327, 1933852), (15266, 1308194), (20654, 966926), (28439, 702236), (30532, 654097), (41308, 483463), (56878, 351118), (113756, 175559)]