19541984

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 108

約数和(自身を含む): 49670712

約数和(自身を除く): 30128728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 103, 112, 121, 154, 176, 196, 206, 224, 242, 308, 352, 392, 412, 484, 539, 616, 721, 784, 824, 847, 968, 1078, 1133, 1232, 1442, 1568, 1648, 1694, 1936, 2156, 2266, 2464, 2884, 3296, 3388, 3872, 4312, 4532, 5047, 5768, 5929, 6776, 7931, 8624, 9064, 10094, 11536, 11858, 12463, 13552, 15862, 17248, 18128, 20188, 23072, 23716, 24926, 27104, 31724, 36256, 40376, 47432, 49852, 55517, 63448, 80752, 87241, 94864, 99704, 111034, 126896, 161504, 174482, 189728, 199408, 222068, 253792, 348964, 398816, 444136, 610687, 697928, 888272, 1221374, 1395856, 1776544, 2442748, 2791712, 4885496, 9770992, 19541984]

約数ペア:

[(1, 19541984), (2, 9770992), (4, 4885496), (7, 2791712), (8, 2442748), (11, 1776544), (14, 1395856), (16, 1221374), (22, 888272), (28, 697928), (32, 610687), (44, 444136), (49, 398816), (56, 348964), (77, 253792), (88, 222068), (98, 199408), (103, 189728), (112, 174482), (121, 161504), (154, 126896), (176, 111034), (196, 99704), (206, 94864), (224, 87241), (242, 80752), (308, 63448), (352, 55517), (392, 49852), (412, 47432), (484, 40376), (539, 36256), (616, 31724), (721, 27104), (784, 24926), (824, 23716), (847, 23072), (968, 20188), (1078, 18128), (1133, 17248), (1232, 15862), (1442, 13552), (1568, 12463), (1648, 11858), (1694, 11536), (1936, 10094), (2156, 9064), (2266, 8624), (2464, 7931), (2884, 6776), (3296, 5929), (3388, 5768), (3872, 5047), (4312, 4532)]