19712187

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13188933

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2141, 3069, 6423, 9207, 19269, 23551, 57807, 66371, 70653, 199113, 211959, 597339, 635877, 730081, 1792017, 2190243, 6570729, 19712187]

約数ペア:

[(1, 19712187), (3, 6570729), (9, 2190243), (11, 1792017), (27, 730081), (31, 635877), (33, 597339), (93, 211959), (99, 199113), (279, 70653), (297, 66371), (341, 57807), (837, 23551), (1023, 19269), (2141, 9207), (3069, 6423)]