19038992

素因数分解:

$2^4\times 7^1\times {\mathrm{169991}}^1$

素因数の和:170006

約数の個数: 20

約数和(自身を含む): 42158016

約数和(自身を除く): 23119024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169991, 339982, 679964, 1189937, 1359928, 2379874, 2719856, 4759748, 9519496, 19038992]

約数ペア:

[(1, 19038992), (2, 9519496), (4, 4759748), (7, 2719856), (8, 2379874), (14, 1359928), (16, 1189937), (28, 679964), (56, 339982), (112, 169991)]