19207881

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9239}}^1$

素因数の和:9266

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 16273719

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9239, 27717, 64673, 83151, 101629, 194019, 249453, 304887, 582057, 711403, 914661, 1746171, 2134209, 2743983, 6402627, 19207881]

約数ペア:

[(1, 19207881), (3, 6402627), (7, 2743983), (9, 2134209), (11, 1746171), (21, 914661), (27, 711403), (33, 582057), (63, 304887), (77, 249453), (99, 194019), (189, 101629), (231, 83151), (297, 64673), (693, 27717), (2079, 9239)]