219782398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{9901}}^1$

素因数の和:10923

約数の個数: 16

約数和(自身を含む): 360036720

約数和(自身を除く): 140254322

約数列:

[1, 2, 11, 22, 1009, 2018, 9901, 11099, 19802, 22198, 108911, 217822, 9990109, 19980218, 109891199, 219782398]

約数ペア:

[(1, 219782398), (2, 109891199), (11, 19980218), (22, 9990109), (1009, 217822), (2018, 108911), (9901, 22198), (11099, 19802)]