18806007896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{22697}}^1$

素因数の和:23004

約数の個数: 64

約数和(自身を含む): 39352884480

約数和(自身を除く): 20546876584

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 257, 403, 514, 806, 1028, 1612, 2056, 3224, 3341, 6682, 7967, 13364, 15934, 22697, 26728, 31868, 45394, 63736, 90788, 103571, 181576, 207142, 295061, 414284, 590122, 703607, 828568, 1180244, 1407214, 2360488, 2814428, 5628856, 5833129, 9146891, 11666258, 18293782, 23332516, 36587564, 46665032, 73175128, 75830677, 151661354, 180826999, 303322708, 361653998, 606645416, 723307996, 1446615992, 2350750987, 4701501974, 9403003948, 18806007896]

約数ペア:

[(1, 18806007896), (2, 9403003948), (4, 4701501974), (8, 2350750987), (13, 1446615992), (26, 723307996), (31, 606645416), (52, 361653998), (62, 303322708), (104, 180826999), (124, 151661354), (248, 75830677), (257, 73175128), (403, 46665032), (514, 36587564), (806, 23332516), (1028, 18293782), (1612, 11666258), (2056, 9146891), (3224, 5833129), (3341, 5628856), (6682, 2814428), (7967, 2360488), (13364, 1407214), (15934, 1180244), (22697, 828568), (26728, 703607), (31868, 590122), (45394, 414284), (63736, 295061), (90788, 207142), (103571, 181576)]