18678708

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{1783}}^1$

素因数の和:1893

約数の個数: 48

約数和(自身を含む): 48952960

約数和(自身を除く): 30274252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 1783, 2619, 3492, 3566, 5238, 5349, 7132, 10476, 10698, 16047, 21396, 32094, 48141, 64188, 96282, 172951, 192564, 345902, 518853, 691804, 1037706, 1556559, 2075412, 3113118, 4669677, 6226236, 9339354, 18678708]

約数ペア:

[(1, 18678708), (2, 9339354), (3, 6226236), (4, 4669677), (6, 3113118), (9, 2075412), (12, 1556559), (18, 1037706), (27, 691804), (36, 518853), (54, 345902), (97, 192564), (108, 172951), (194, 96282), (291, 64188), (388, 48141), (582, 32094), (873, 21396), (1164, 16047), (1746, 10698), (1783, 10476), (2619, 7132), (3492, 5349), (3566, 5238)]