17971954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 19186958

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 47, 77, 91, 94, 143, 154, 182, 191, 286, 329, 382, 517, 611, 658, 1001, 1034, 1222, 1337, 2002, 2101, 2483, 2674, 3619, 4202, 4277, 4966, 6721, 7238, 8554, 8977, 13442, 14707, 17381, 17954, 27313, 29414, 34762, 47047, 54626, 62839, 94094, 98747, 116701, 125678, 191191, 197494, 233402, 382382, 691229, 816907, 1283711, 1382458, 1633814, 2567422, 8985977, 17971954]

約数ペア:

[(1, 17971954), (2, 8985977), (7, 2567422), (11, 1633814), (13, 1382458), (14, 1283711), (22, 816907), (26, 691229), (47, 382382), (77, 233402), (91, 197494), (94, 191191), (143, 125678), (154, 116701), (182, 98747), (191, 94094), (286, 62839), (329, 54626), (382, 47047), (517, 34762), (611, 29414), (658, 27313), (1001, 17954), (1034, 17381), (1222, 14707), (1337, 13442), (2002, 8977), (2101, 8554), (2483, 7238), (2674, 6721), (3619, 4966), (4202, 4277)]