19700091

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2273}}^1$

素因数の和:2392

約数の個数: 20

約数和(自身を含む): 29716632

約数和(自身を除く): 10016541

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2273, 2889, 6819, 8667, 20457, 61371, 184113, 243211, 729633, 2188899, 6566697, 19700091]

約数ペア:

[(1, 19700091), (3, 6566697), (9, 2188899), (27, 729633), (81, 243211), (107, 184113), (321, 61371), (963, 20457), (2273, 8667), (2889, 6819)]