19774565

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 24541056

約数和(自身を除く): 4766491

約数列:

[1, 5, 53, 71, 265, 355, 1051, 3763, 5255, 18815, 55703, 74621, 278515, 373105, 3954913, 19774565]

約数ペア:

[(1, 19774565), (5, 3954913), (53, 373105), (71, 278515), (265, 74621), (355, 55703), (1051, 18815), (3763, 5255)]