19804625

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{3371}}^1$

素因数の和:3433

約数の個数: 16

約数和(自身を含む): 25249536

約数和(自身を除く): 5444911

約数列:

[1, 5, 25, 47, 125, 235, 1175, 3371, 5875, 16855, 84275, 158437, 421375, 792185, 3960925, 19804625]

約数ペア:

[(1, 19804625), (5, 3960925), (25, 792185), (47, 421375), (125, 158437), (235, 84275), (1175, 16855), (3371, 5875)]