19144503

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 33386496

約数和(自身を除く): 14241993

約数列:

[1, 3, 7, 9, 21, 37, 43, 63, 111, 129, 191, 259, 301, 333, 387, 573, 777, 903, 1337, 1591, 1719, 2331, 2709, 4011, 4773, 7067, 8213, 11137, 12033, 14319, 21201, 24639, 33411, 49469, 57491, 63603, 73917, 100233, 148407, 172473, 303881, 445221, 517419, 911643, 2127167, 2734929, 6381501, 19144503]

約数ペア:

[(1, 19144503), (3, 6381501), (7, 2734929), (9, 2127167), (21, 911643), (37, 517419), (43, 445221), (63, 303881), (111, 172473), (129, 148407), (191, 100233), (259, 73917), (301, 63603), (333, 57491), (387, 49469), (573, 33411), (777, 24639), (903, 21201), (1337, 14319), (1591, 12033), (1719, 11137), (2331, 8213), (2709, 7067), (4011, 4773)]