19805201

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 22626240

約数和(自身を除く): 2821039

約数列:

[1, 13, 19, 181, 247, 443, 2353, 3439, 5759, 8417, 44707, 80183, 109421, 1042379, 1523477, 19805201]

約数ペア:

[(1, 19805201), (13, 1523477), (19, 1042379), (181, 109421), (247, 80183), (443, 44707), (2353, 8417), (3439, 5759)]