19438496

素因数分解:

$2^5\times 7^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 50821344

約数和(自身を除く): 31382848

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 49, 56, 77, 88, 92, 98, 112, 154, 161, 176, 184, 196, 224, 253, 308, 322, 343, 352, 368, 392, 506, 539, 616, 644, 686, 736, 784, 1012, 1078, 1127, 1232, 1288, 1372, 1568, 1771, 2024, 2156, 2254, 2401, 2464, 2576, 2744, 3542, 3773, 4048, 4312, 4508, 4802, 5152, 5488, 7084, 7546, 7889, 8096, 8624, 9016, 9604, 10976, 12397, 14168, 15092, 15778, 17248, 18032, 19208, 24794, 26411, 28336, 30184, 31556, 36064, 38416, 49588, 52822, 55223, 56672, 60368, 63112, 76832, 86779, 99176, 105644, 110446, 120736, 126224, 173558, 198352, 211288, 220892, 252448, 347116, 396704, 422576, 441784, 607453, 694232, 845152, 883568, 1214906, 1388464, 1767136, 2429812, 2776928, 4859624, 9719248, 19438496]

約数ペア:

[(1, 19438496), (2, 9719248), (4, 4859624), (7, 2776928), (8, 2429812), (11, 1767136), (14, 1388464), (16, 1214906), (22, 883568), (23, 845152), (28, 694232), (32, 607453), (44, 441784), (46, 422576), (49, 396704), (56, 347116), (77, 252448), (88, 220892), (92, 211288), (98, 198352), (112, 173558), (154, 126224), (161, 120736), (176, 110446), (184, 105644), (196, 99176), (224, 86779), (253, 76832), (308, 63112), (322, 60368), (343, 56672), (352, 55223), (368, 52822), (392, 49588), (506, 38416), (539, 36064), (616, 31556), (644, 30184), (686, 28336), (736, 26411), (784, 24794), (1012, 19208), (1078, 18032), (1127, 17248), (1232, 15778), (1288, 15092), (1372, 14168), (1568, 12397), (1771, 10976), (2024, 9604), (2156, 9016), (2254, 8624), (2401, 8096), (2464, 7889), (2576, 7546), (2744, 7084), (3542, 5488), (3773, 5152), (4048, 4802), (4312, 4508)]