18786908

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{971}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 37666944

約数和(自身を除く): 18880036

約数列:

[1, 2, 4, 7, 14, 28, 691, 971, 1382, 1942, 2764, 3884, 4837, 6797, 9674, 13594, 19348, 27188, 670961, 1341922, 2683844, 4696727, 9393454, 18786908]

約数ペア:

[(1, 18786908), (2, 9393454), (4, 4696727), (7, 2683844), (14, 1341922), (28, 670961), (691, 27188), (971, 19348), (1382, 13594), (1942, 9674), (2764, 6797), (3884, 4837)]