18279128

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7591}}^1$

素因数の和:7647

約数の個数: 32

約数和(自身を含む): 40085760

約数和(自身を除く): 21806632

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7591, 15182, 30364, 53137, 60728, 106274, 212548, 326413, 425096, 652826, 1305652, 2284891, 2611304, 4569782, 9139564, 18279128]

約数ペア:

[(1, 18279128), (2, 9139564), (4, 4569782), (7, 2611304), (8, 2284891), (14, 1305652), (28, 652826), (43, 425096), (56, 326413), (86, 212548), (172, 106274), (301, 60728), (344, 53137), (602, 30364), (1204, 15182), (2408, 7591)]