18803935

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 23044896

約数和(自身を除く): 4240961

約数列:

[1, 5, 97, 137, 283, 485, 685, 1415, 13289, 27451, 38771, 66445, 137255, 193855, 3760787, 18803935]

約数ペア:

[(1, 18803935), (5, 3760787), (97, 193855), (137, 137255), (283, 66445), (485, 38771), (685, 27451), (1415, 13289)]