19385163

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 33454080

約数和(自身を除く): 14068917

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 191, 537, 567, 573, 1253, 1337, 1611, 1719, 3759, 4011, 4833, 5157, 11277, 12033, 14499, 15471, 33831, 34189, 36099, 101493, 102567, 108297, 239323, 307701, 717969, 923103, 2153907, 2769309, 6461721, 19385163]

約数ペア:

[(1, 19385163), (3, 6461721), (7, 2769309), (9, 2153907), (21, 923103), (27, 717969), (63, 307701), (81, 239323), (179, 108297), (189, 102567), (191, 101493), (537, 36099), (567, 34189), (573, 33831), (1253, 15471), (1337, 14499), (1611, 12033), (1719, 11277), (3759, 5157), (4011, 4833)]