19344556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 42561792

約数和(自身を除く): 23217236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 181, 308, 347, 362, 694, 724, 1267, 1388, 1991, 2429, 2534, 3817, 3982, 4858, 5068, 7634, 7964, 9716, 13937, 15268, 26719, 27874, 53438, 55748, 62807, 106876, 125614, 251228, 439649, 690877, 879298, 1381754, 1758596, 2763508, 4836139, 9672278, 19344556]

約数ペア:

[(1, 19344556), (2, 9672278), (4, 4836139), (7, 2763508), (11, 1758596), (14, 1381754), (22, 879298), (28, 690877), (44, 439649), (77, 251228), (154, 125614), (181, 106876), (308, 62807), (347, 55748), (362, 53438), (694, 27874), (724, 26719), (1267, 15268), (1388, 13937), (1991, 9716), (2429, 7964), (2534, 7634), (3817, 5068), (3982, 4858)]