1919077916

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{2371}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 3886132992

約数和(自身を除く): 1967055076

約数列:

[1, 2, 4, 7, 14, 28, 137, 211, 274, 422, 548, 844, 959, 1477, 1918, 2371, 2954, 3836, 4742, 5908, 9484, 16597, 28907, 33194, 57814, 66388, 115628, 202349, 324827, 404698, 500281, 649654, 809396, 1000562, 1299308, 2001124, 2273789, 3501967, 4547578, 7003934, 9095156, 14007868, 68538497, 137076994, 274153988, 479769479, 959538958, 1919077916]

約数ペア:

[(1, 1919077916), (2, 959538958), (4, 479769479), (7, 274153988), (14, 137076994), (28, 68538497), (137, 14007868), (211, 9095156), (274, 7003934), (422, 4547578), (548, 3501967), (844, 2273789), (959, 2001124), (1477, 1299308), (1918, 1000562), (2371, 809396), (2954, 649654), (3836, 500281), (4742, 404698), (5908, 324827), (9484, 202349), (16597, 115628), (28907, 66388), (33194, 57814)]