19681088

素因数分解:

$2^6\times 7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 56

約数和(自身を含む): 45061632

約数和(自身を除く): 25380544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 197, 223, 224, 394, 446, 448, 788, 892, 1379, 1561, 1576, 1784, 2758, 3122, 3152, 3568, 5516, 6244, 6304, 7136, 11032, 12488, 12608, 14272, 22064, 24976, 43931, 44128, 49952, 87862, 88256, 99904, 175724, 307517, 351448, 615034, 702896, 1230068, 1405792, 2460136, 2811584, 4920272, 9840544, 19681088]

約数ペア:

[(1, 19681088), (2, 9840544), (4, 4920272), (7, 2811584), (8, 2460136), (14, 1405792), (16, 1230068), (28, 702896), (32, 615034), (56, 351448), (64, 307517), (112, 175724), (197, 99904), (223, 88256), (224, 87862), (394, 49952), (446, 44128), (448, 43931), (788, 24976), (892, 22064), (1379, 14272), (1561, 12608), (1576, 12488), (1784, 11032), (2758, 7136), (3122, 6304), (3152, 6244), (3568, 5516)]