18779236

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5281}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 37861376

約数和(自身を除く): 19082140

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5281, 10562, 21124, 36967, 73934, 147868, 670687, 1341374, 2682748, 4694809, 9389618, 18779236]

約数ペア:

[(1, 18779236), (2, 9389618), (4, 4694809), (7, 2682748), (14, 1341374), (28, 670687), (127, 147868), (254, 73934), (508, 36967), (889, 21124), (1778, 10562), (3556, 5281)]