2018402281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 2619555840

約数和(自身を除く): 601153559

約数列:

[1, 7, 19, 31, 37, 101, 131, 133, 217, 259, 589, 703, 707, 917, 1147, 1919, 2489, 3131, 3737, 4061, 4123, 4847, 4921, 8029, 13231, 13433, 17423, 21793, 21917, 26159, 28427, 33929, 59489, 71003, 77159, 92093, 92617, 115847, 150257, 152551, 251389, 410161, 416423, 489547, 497021, 540113, 644651, 810929, 1051799, 1759723, 2201093, 2854883, 2871127, 3426829, 7793059, 9301393, 15175957, 15407651, 19984181, 54551413, 65109751, 106231699, 288343183, 2018402281]

約数ペア:

[(1, 2018402281), (7, 288343183), (19, 106231699), (31, 65109751), (37, 54551413), (101, 19984181), (131, 15407651), (133, 15175957), (217, 9301393), (259, 7793059), (589, 3426829), (703, 2871127), (707, 2854883), (917, 2201093), (1147, 1759723), (1919, 1051799), (2489, 810929), (3131, 644651), (3737, 540113), (4061, 497021), (4123, 489547), (4847, 416423), (4921, 410161), (8029, 251389), (13231, 152551), (13433, 150257), (17423, 115847), (21793, 92617), (21917, 92093), (26159, 77159), (28427, 71003), (33929, 59489)]