18918256

素因数分解:

$2^4\times 7^1\times {\mathrm{168913}}^1$

素因数の和:168928

約数の個数: 20

約数和(自身を含む): 41890672

約数和(自身を除く): 22972416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 168913, 337826, 675652, 1182391, 1351304, 2364782, 2702608, 4729564, 9459128, 18918256]

約数ペア:

[(1, 18918256), (2, 9459128), (4, 4729564), (7, 2702608), (8, 2364782), (14, 1351304), (16, 1182391), (28, 675652), (56, 337826), (112, 168913)]