18805743

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2796

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 12920337

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2753, 6831, 8259, 24777, 30283, 63319, 74331, 90849, 189957, 272547, 569871, 696509, 817641, 1709613, 2089527, 6268581, 18805743]

約数ペア:

[(1, 18805743), (3, 6268581), (9, 2089527), (11, 1709613), (23, 817641), (27, 696509), (33, 569871), (69, 272547), (99, 189957), (207, 90849), (253, 74331), (297, 63319), (621, 30283), (759, 24777), (2277, 8259), (2753, 6831)]