19679079

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 34242560

約数和(自身を除く): 14563481

約数列:

[1, 3, 7, 19, 21, 31, 37, 43, 57, 93, 111, 129, 133, 217, 259, 301, 399, 589, 651, 703, 777, 817, 903, 1147, 1333, 1591, 1767, 2109, 2451, 3441, 3999, 4123, 4773, 4921, 5719, 8029, 9331, 11137, 12369, 14763, 17157, 21793, 24087, 25327, 27993, 30229, 33411, 49321, 65379, 75981, 90687, 147963, 152551, 177289, 211603, 345247, 457653, 531867, 634809, 937099, 1035741, 2811297, 6559693, 19679079]

約数ペア:

[(1, 19679079), (3, 6559693), (7, 2811297), (19, 1035741), (21, 937099), (31, 634809), (37, 531867), (43, 457653), (57, 345247), (93, 211603), (111, 177289), (129, 152551), (133, 147963), (217, 90687), (259, 75981), (301, 65379), (399, 49321), (589, 33411), (651, 30229), (703, 27993), (777, 25327), (817, 24087), (903, 21793), (1147, 17157), (1333, 14763), (1591, 12369), (1767, 11137), (2109, 9331), (2451, 8029), (3441, 5719), (3999, 4921), (4123, 4773)]