18891582866

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{2833}}^1$

素因数の和:3151

約数の個数: 48

約数和(自身を含む): 31148437320

約数和(自身を除く): 12256854454

約数列:

[1, 2, 13, 26, 109, 169, 181, 218, 338, 362, 1417, 2353, 2833, 2834, 4706, 5666, 18421, 19729, 30589, 36829, 36842, 39458, 61178, 73658, 256477, 308797, 478777, 512773, 512954, 617594, 957554, 1025546, 3334201, 4014361, 6666049, 6668402, 8028722, 13332098, 52186693, 55892257, 86658637, 104373386, 111784514, 173317274, 726599341, 1453198682, 9445791433, 18891582866]

約数ペア:

[(1, 18891582866), (2, 9445791433), (13, 1453198682), (26, 726599341), (109, 173317274), (169, 111784514), (181, 104373386), (218, 86658637), (338, 55892257), (362, 52186693), (1417, 13332098), (2353, 8028722), (2833, 6668402), (2834, 6666049), (4706, 4014361), (5666, 3334201), (18421, 1025546), (19729, 957554), (30589, 617594), (36829, 512954), (36842, 512773), (39458, 478777), (61178, 308797), (73658, 256477)]