18991170032

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{1061}}^1\times {\mathrm{4457}}^1$

素因数の和:5777

約数の個数: 40

約数和(自身を含む): 36985101552

約数和(自身を除く): 17993931520

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 1061, 2008, 2122, 4016, 4244, 4457, 8488, 8914, 16976, 17828, 35656, 71312, 266311, 532622, 1065244, 1118707, 2130488, 2237414, 4260976, 4474828, 4728877, 8949656, 9457754, 17899312, 18915508, 37831016, 75662032, 1186948127, 2373896254, 4747792508, 9495585016, 18991170032]

約数ペア:

[(1, 18991170032), (2, 9495585016), (4, 4747792508), (8, 2373896254), (16, 1186948127), (251, 75662032), (502, 37831016), (1004, 18915508), (1061, 17899312), (2008, 9457754), (2122, 8949656), (4016, 4728877), (4244, 4474828), (4457, 4260976), (8488, 2237414), (8914, 2130488), (16976, 1118707), (17828, 1065244), (35656, 532622), (71312, 266311)]