19946584

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2719}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 23138216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2719, 3668, 5438, 7336, 10876, 19033, 21752, 38066, 76132, 152264, 356189, 712378, 1424756, 2493323, 2849512, 4986646, 9973292, 19946584]

約数ペア:

[(1, 19946584), (2, 9973292), (4, 4986646), (7, 2849512), (8, 2493323), (14, 1424756), (28, 712378), (56, 356189), (131, 152264), (262, 76132), (524, 38066), (917, 21752), (1048, 19033), (1834, 10876), (2719, 7336), (3668, 5438)]