19809969685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1013}}^1\times {\mathrm{355559}}^1$

素因数の和:356588

約数の個数: 16

約数和(自身を含む): 25958724480

約数和(自身を除く): 6148754795

約数列:

[1, 5, 11, 55, 1013, 5065, 11143, 55715, 355559, 1777795, 3911149, 19555745, 360181267, 1800906335, 3961993937, 19809969685]

約数ペア:

[(1, 19809969685), (5, 3961993937), (11, 1800906335), (55, 360181267), (1013, 19555745), (5065, 3911149), (11143, 1777795), (55715, 355559)]