20181522488

素因数分解:

$2^3\times {\mathrm{349}}^1\times {\mathrm{2143}}^1\times {\mathrm{3373}}^1$

素因数の和:5871

約数の個数: 32

約数和(自身を含む): 37977744000

約数和(自身を除く): 17796221512

約数列:

[1, 2, 4, 8, 349, 698, 1396, 2143, 2792, 3373, 4286, 6746, 8572, 13492, 17144, 26984, 747907, 1177177, 1495814, 2354354, 2991628, 4708708, 5983256, 7228339, 9417416, 14456678, 28913356, 57826712, 2522690311, 5045380622, 10090761244, 20181522488]

約数ペア:

[(1, 20181522488), (2, 10090761244), (4, 5045380622), (8, 2522690311), (349, 57826712), (698, 28913356), (1396, 14456678), (2143, 9417416), (2792, 7228339), (3373, 5983256), (4286, 4708708), (6746, 2991628), (8572, 2354354), (13492, 1495814), (17144, 1177177), (26984, 747907)]