19695291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 34524672

約数和(自身を除く): 14829381

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 121, 161, 231, 253, 337, 363, 483, 759, 847, 1011, 1771, 2359, 2541, 2783, 3707, 5313, 7077, 7751, 8349, 11121, 19481, 23253, 25949, 40777, 54257, 58443, 77847, 85261, 122331, 162771, 255783, 285439, 596827, 856317, 937871, 1790481, 2813613, 6565097, 19695291]

約数ペア:

[(1, 19695291), (3, 6565097), (7, 2813613), (11, 1790481), (21, 937871), (23, 856317), (33, 596827), (69, 285439), (77, 255783), (121, 162771), (161, 122331), (231, 85261), (253, 77847), (337, 58443), (363, 54257), (483, 40777), (759, 25949), (847, 23253), (1011, 19481), (1771, 11121), (2359, 8349), (2541, 7751), (2783, 7077), (3707, 5313)]