18515238561

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1\times {\mathrm{1619}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 27984191040

約数和(自身を除く): 9468952479

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 563, 1619, 1689, 2257, 4857, 5067, 6771, 14571, 20313, 20831, 34343, 59903, 62493, 98759, 103029, 179709, 187479, 296277, 309087, 539127, 888831, 911497, 1270691, 2734491, 3654083, 3812073, 8203473, 10962249, 11436219, 32886747, 33725389, 55601317, 101176167, 166803951, 303528501, 500411853, 2057248729, 6171746187, 18515238561]

約数ペア:

[(1, 18515238561), (3, 6171746187), (9, 2057248729), (37, 500411853), (61, 303528501), (111, 166803951), (183, 101176167), (333, 55601317), (549, 33725389), (563, 32886747), (1619, 11436219), (1689, 10962249), (2257, 8203473), (4857, 3812073), (5067, 3654083), (6771, 2734491), (14571, 1270691), (20313, 911497), (20831, 888831), (34343, 539127), (59903, 309087), (62493, 296277), (98759, 187479), (103029, 179709)]