18942168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 54581760

約数和(自身を除く): 35639592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 823, 959, 1096, 1644, 1646, 1918, 2469, 2877, 3288, 3292, 3836, 4938, 5754, 5761, 6584, 7672, 9876, 11508, 11522, 17283, 19752, 23016, 23044, 34566, 46088, 69132, 112751, 138264, 225502, 338253, 451004, 676506, 789257, 902008, 1353012, 1578514, 2367771, 2706024, 3157028, 4735542, 6314056, 9471084, 18942168]

約数ペア:

[(1, 18942168), (2, 9471084), (3, 6314056), (4, 4735542), (6, 3157028), (7, 2706024), (8, 2367771), (12, 1578514), (14, 1353012), (21, 902008), (24, 789257), (28, 676506), (42, 451004), (56, 338253), (84, 225502), (137, 138264), (168, 112751), (274, 69132), (411, 46088), (548, 34566), (822, 23044), (823, 23016), (959, 19752), (1096, 17283), (1644, 11522), (1646, 11508), (1918, 9876), (2469, 7672), (2877, 6584), (3288, 5761), (3292, 5754), (3836, 4938)]