19492198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12479}}^1$

素因数の和:12563

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 12855962

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12479, 24958, 137269, 274538, 886009, 1772018, 9746099, 19492198]

約数ペア:

[(1, 19492198), (2, 9746099), (11, 1772018), (22, 886009), (71, 274538), (142, 137269), (781, 24958), (1562, 12479)]