19908933

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4049}}^1$

素因数の和:4212

約数の個数: 16

約数和(自身を含む): 29160000

約数和(自身を除く): 9251067

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4049, 4917, 12147, 44539, 133617, 603301, 1809903, 6636311, 19908933]

約数ペア:

[(1, 19908933), (3, 6636311), (11, 1809903), (33, 603301), (149, 133617), (447, 44539), (1639, 12147), (4049, 4917)]