19996151

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 24835104

約数和(自身を除く): 4838953

約数列:

[1, 7, 19, 41, 133, 193, 287, 361, 779, 1351, 2527, 3667, 5453, 7913, 14801, 25669, 55391, 69673, 103607, 150347, 487711, 1052429, 2856593, 19996151]

約数ペア:

[(1, 19996151), (7, 2856593), (19, 1052429), (41, 487711), (133, 150347), (193, 103607), (287, 69673), (361, 55391), (779, 25669), (1351, 14801), (2527, 7913), (3667, 5453)]