19779298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128437}}^1$

素因数の和:128457

約数の個数: 16

約数和(自身を含む): 36990144

約数和(自身を除く): 17210846

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128437, 256874, 899059, 1412807, 1798118, 2825614, 9889649, 19779298]

約数ペア:

[(1, 19779298), (2, 9889649), (7, 2825614), (11, 1798118), (14, 1412807), (22, 899059), (77, 256874), (154, 128437)]