19920951

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13921}}^1$

素因数の和:13983

約数の個数: 16

約数和(自身を含む): 30071520

約数和(自身を除く): 10150569

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13921, 41763, 125289, 375867, 737813, 2213439, 6640317, 19920951]

約数ペア:

[(1, 19920951), (3, 6640317), (9, 2213439), (27, 737813), (53, 375867), (159, 125289), (477, 41763), (1431, 13921)]