18913328

素因数分解:

$2^4\times 7^1\times {\mathrm{168869}}^1$

素因数の和:168884

約数の個数: 20

約数和(自身を含む): 41879760

約数和(自身を除く): 22966432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 168869, 337738, 675476, 1182083, 1350952, 2364166, 2701904, 4728332, 9456664, 18913328]

約数ペア:

[(1, 18913328), (2, 9456664), (4, 4728332), (7, 2701904), (8, 2364166), (14, 1350952), (16, 1182083), (28, 675476), (56, 337738), (112, 168869)]