19838005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{967}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 26066304

約数和(自身を除く): 6228299

約数列:

[1, 5, 11, 55, 373, 967, 1865, 4103, 4835, 10637, 20515, 53185, 360691, 1803455, 3967601, 19838005]

約数ペア:

[(1, 19838005), (5, 3967601), (11, 1803455), (55, 360691), (373, 53185), (967, 20515), (1865, 10637), (4103, 4835)]