19816384

素因数分解:

$2^6\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 84

約数和(自身を含む): 46908720

約数和(自身を除く): 27092336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 89, 98, 112, 142, 178, 196, 224, 284, 356, 392, 448, 497, 568, 623, 712, 784, 994, 1136, 1246, 1424, 1568, 1988, 2272, 2492, 2848, 3136, 3479, 3976, 4361, 4544, 4984, 5696, 6319, 6958, 7952, 8722, 9968, 12638, 13916, 15904, 17444, 19936, 25276, 27832, 31808, 34888, 39872, 44233, 50552, 55664, 69776, 88466, 101104, 111328, 139552, 176932, 202208, 222656, 279104, 309631, 353864, 404416, 619262, 707728, 1238524, 1415456, 2477048, 2830912, 4954096, 9908192, 19816384]

約数ペア:

[(1, 19816384), (2, 9908192), (4, 4954096), (7, 2830912), (8, 2477048), (14, 1415456), (16, 1238524), (28, 707728), (32, 619262), (49, 404416), (56, 353864), (64, 309631), (71, 279104), (89, 222656), (98, 202208), (112, 176932), (142, 139552), (178, 111328), (196, 101104), (224, 88466), (284, 69776), (356, 55664), (392, 50552), (448, 44233), (497, 39872), (568, 34888), (623, 31808), (712, 27832), (784, 25276), (994, 19936), (1136, 17444), (1246, 15904), (1424, 13916), (1568, 12638), (1988, 9968), (2272, 8722), (2492, 7952), (2848, 6958), (3136, 6319), (3479, 5696), (3976, 4984), (4361, 4544)]