18882784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 39862368

約数和(自身を除く): 20979584

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 103, 136, 206, 272, 337, 412, 544, 674, 824, 1348, 1648, 1751, 2696, 3296, 3502, 5392, 5729, 7004, 10784, 11458, 14008, 22916, 28016, 34711, 45832, 56032, 69422, 91664, 138844, 183328, 277688, 555376, 590087, 1110752, 1180174, 2360348, 4720696, 9441392, 18882784]

約数ペア:

[(1, 18882784), (2, 9441392), (4, 4720696), (8, 2360348), (16, 1180174), (17, 1110752), (32, 590087), (34, 555376), (68, 277688), (103, 183328), (136, 138844), (206, 91664), (272, 69422), (337, 56032), (412, 45832), (544, 34711), (674, 28016), (824, 22916), (1348, 14008), (1648, 11458), (1751, 10784), (2696, 7004), (3296, 5729), (3502, 5392)]