19975935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 96

約数和(自身を含む): 42135552

約数和(自身を除く): 22159617

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 31, 35, 51, 57, 85, 93, 95, 105, 119, 133, 155, 217, 255, 285, 323, 357, 361, 399, 465, 527, 589, 595, 651, 665, 969, 1083, 1085, 1581, 1615, 1767, 1785, 1805, 1995, 2261, 2527, 2635, 2945, 3255, 3689, 4123, 4845, 5415, 6137, 6783, 7581, 7905, 8835, 10013, 11067, 11191, 11305, 12369, 12635, 18411, 18445, 20615, 30039, 30685, 33573, 33915, 37905, 42959, 50065, 55335, 55955, 61845, 70091, 78337, 92055, 128877, 150195, 167865, 190247, 210273, 214795, 235011, 350455, 391685, 570741, 644385, 951235, 1051365, 1175055, 1331729, 2853705, 3995187, 6658645, 19975935]

約数ペア:

[(1, 19975935), (3, 6658645), (5, 3995187), (7, 2853705), (15, 1331729), (17, 1175055), (19, 1051365), (21, 951235), (31, 644385), (35, 570741), (51, 391685), (57, 350455), (85, 235011), (93, 214795), (95, 210273), (105, 190247), (119, 167865), (133, 150195), (155, 128877), (217, 92055), (255, 78337), (285, 70091), (323, 61845), (357, 55955), (361, 55335), (399, 50065), (465, 42959), (527, 37905), (589, 33915), (595, 33573), (651, 30685), (665, 30039), (969, 20615), (1083, 18445), (1085, 18411), (1581, 12635), (1615, 12369), (1767, 11305), (1785, 11191), (1805, 11067), (1995, 10013), (2261, 8835), (2527, 7905), (2635, 7581), (2945, 6783), (3255, 6137), (3689, 5415), (4123, 4845)]