18026757

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 36

約数和(自身を含む): 31059756

約数和(自身を除く): 13032999

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 997, 2009, 2583, 2991, 6027, 6979, 8973, 18081, 20937, 40877, 48853, 62811, 122631, 146559, 286139, 367893, 439677, 858417, 2002973, 2575251, 6008919, 18026757]

約数ペア:

[(1, 18026757), (3, 6008919), (7, 2575251), (9, 2002973), (21, 858417), (41, 439677), (49, 367893), (63, 286139), (123, 146559), (147, 122631), (287, 62811), (369, 48853), (441, 40877), (861, 20937), (997, 18081), (2009, 8973), (2583, 6979), (2991, 6027)]