18627063

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 32030208

約数和(自身を除く): 13403145

約数列:

[1, 3, 7, 13, 21, 31, 39, 71, 91, 93, 213, 217, 273, 403, 497, 651, 923, 961, 1209, 1491, 2201, 2769, 2821, 2883, 6461, 6603, 6727, 8463, 12493, 15407, 19383, 20181, 28613, 37479, 46221, 68231, 85839, 87451, 200291, 204693, 262353, 477617, 600873, 887003, 1432851, 2661009, 6209021, 18627063]

約数ペア:

[(1, 18627063), (3, 6209021), (7, 2661009), (13, 1432851), (21, 887003), (31, 600873), (39, 477617), (71, 262353), (91, 204693), (93, 200291), (213, 87451), (217, 85839), (273, 68231), (403, 46221), (497, 37479), (651, 28613), (923, 20181), (961, 19383), (1209, 15407), (1491, 12493), (2201, 8463), (2769, 6727), (2821, 6603), (2883, 6461)]