19837251

素因数分解:

$3^3\times 7^1\times {\mathrm{104959}}^1$

素因数の和:104975

約数の個数: 16

約数和(自身を含む): 33587200

約数和(自身を除く): 13749949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 104959, 314877, 734713, 944631, 2204139, 2833893, 6612417, 19837251]

約数ペア:

[(1, 19837251), (3, 6612417), (7, 2833893), (9, 2204139), (21, 944631), (27, 734713), (63, 314877), (189, 104959)]