19680419

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 2382685

約数列:

[1, 11, 71, 113, 223, 781, 1243, 2453, 8023, 15833, 25199, 88253, 174163, 277189, 1789129, 19680419]

約数ペア:

[(1, 19680419), (11, 1789129), (71, 277189), (113, 174163), (223, 88253), (781, 25199), (1243, 15833), (2453, 8023)]