18925558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9397}}^1$

素因数の和:9471

約数の個数: 16

約数和(自身を含む): 30449520

約数和(自身を除く): 11523962

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 9397, 18794, 178543, 357086, 498041, 996082, 9462779, 18925558]

約数ペア:

[(1, 18925558), (2, 9462779), (19, 996082), (38, 498041), (53, 357086), (106, 178543), (1007, 18794), (2014, 9397)]