19712896

素因数分解:

$2^7\times 7^3\times {\mathrm{449}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 45900000

約数和(自身を除く): 26187104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 449, 686, 784, 896, 898, 1372, 1568, 1796, 2744, 3136, 3143, 3592, 5488, 6272, 6286, 7184, 10976, 12572, 14368, 21952, 22001, 25144, 28736, 43904, 44002, 50288, 57472, 88004, 100576, 154007, 176008, 201152, 308014, 352016, 402304, 616028, 704032, 1232056, 1408064, 2464112, 2816128, 4928224, 9856448, 19712896]

約数ペア:

[(1, 19712896), (2, 9856448), (4, 4928224), (7, 2816128), (8, 2464112), (14, 1408064), (16, 1232056), (28, 704032), (32, 616028), (49, 402304), (56, 352016), (64, 308014), (98, 201152), (112, 176008), (128, 154007), (196, 100576), (224, 88004), (343, 57472), (392, 50288), (448, 44002), (449, 43904), (686, 28736), (784, 25144), (896, 22001), (898, 21952), (1372, 14368), (1568, 12572), (1796, 10976), (2744, 7184), (3136, 6286), (3143, 6272), (3592, 5488)]