18697921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 20995200

約数和(自身を除く): 2297279

約数列:

[1, 11, 71, 89, 269, 781, 979, 2959, 6319, 19099, 23941, 69509, 210089, 263351, 1699811, 18697921]

約数ペア:

[(1, 18697921), (11, 1699811), (71, 263351), (89, 210089), (269, 69509), (781, 23941), (979, 19099), (2959, 6319)]