26389138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9781}}^1$

素因数の和:9873

約数の個数: 16

約数和(自身を含む): 42258240

約数和(自身を除く): 15869102

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 9781, 19562, 185839, 371678, 694451, 1388902, 13194569, 26389138]

約数ペア:

[(1, 26389138), (2, 13194569), (19, 1388902), (38, 694451), (71, 371678), (142, 185839), (1349, 19562), (2698, 9781)]