19512556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 22258964

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 161, 164, 287, 322, 574, 644, 739, 943, 1148, 1478, 1886, 2956, 3772, 5173, 6601, 10346, 13202, 16997, 20692, 26404, 30299, 33994, 60598, 67988, 118979, 121196, 212093, 237958, 424186, 475916, 696877, 848372, 1393754, 2787508, 4878139, 9756278, 19512556]

約数ペア:

[(1, 19512556), (2, 9756278), (4, 4878139), (7, 2787508), (14, 1393754), (23, 848372), (28, 696877), (41, 475916), (46, 424186), (82, 237958), (92, 212093), (161, 121196), (164, 118979), (287, 67988), (322, 60598), (574, 33994), (644, 30299), (739, 26404), (943, 20692), (1148, 16997), (1478, 13202), (1886, 10346), (2956, 6601), (3772, 5173)]