188501908

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{15991}}^1$

素因数の和:16423

約数の個数: 24

約数和(自身を含む): 377922944

約数和(自身を除く): 189421036

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 15991, 31982, 63964, 111937, 223874, 447748, 6732211, 13464422, 26928844, 47125477, 94250954, 188501908]

約数ペア:

[(1, 188501908), (2, 94250954), (4, 47125477), (7, 26928844), (14, 13464422), (28, 6732211), (421, 447748), (842, 223874), (1684, 111937), (2947, 63964), (5894, 31982), (11788, 15991)]