18851373

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1103}}^1$

素因数の和:1326

約数の個数: 20

約数和(自身を含む): 28319808

約数和(自身を除く): 9468435

約数列:

[1, 3, 9, 27, 81, 211, 633, 1103, 1899, 3309, 5697, 9927, 17091, 29781, 89343, 232733, 698199, 2094597, 6283791, 18851373]

約数ペア:

[(1, 18851373), (3, 6283791), (9, 2094597), (27, 698199), (81, 232733), (211, 89343), (633, 29781), (1103, 17091), (1899, 9927), (3309, 5697)]