19607259

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 31751680

約数和(自身を除く): 12144421

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 313, 399, 471, 939, 1099, 2191, 2983, 3297, 5947, 6573, 8949, 17841, 20881, 41629, 49141, 62643, 124887, 147423, 343987, 933679, 1031961, 2801037, 6535753, 19607259]

約数ペア:

[(1, 19607259), (3, 6535753), (7, 2801037), (19, 1031961), (21, 933679), (57, 343987), (133, 147423), (157, 124887), (313, 62643), (399, 49141), (471, 41629), (939, 20881), (1099, 17841), (2191, 8949), (2983, 6573), (3297, 5947)]