19772704

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 25200224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 824, 857, 1442, 1648, 1714, 2884, 3296, 3428, 5768, 5999, 6856, 11536, 11998, 13712, 23072, 23996, 27424, 47992, 88271, 95984, 176542, 191968, 353084, 617897, 706168, 1235794, 1412336, 2471588, 2824672, 4943176, 9886352, 19772704]

約数ペア:

[(1, 19772704), (2, 9886352), (4, 4943176), (7, 2824672), (8, 2471588), (14, 1412336), (16, 1235794), (28, 706168), (32, 617897), (56, 353084), (103, 191968), (112, 176542), (206, 95984), (224, 88271), (412, 47992), (721, 27424), (824, 23996), (857, 23072), (1442, 13712), (1648, 11998), (1714, 11536), (2884, 6856), (3296, 5999), (3428, 5768)]