19821237989

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1153}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 24311548800

約数和(自身を除く): 4490310811

約数列:

[1, 7, 41, 43, 49, 199, 287, 301, 1153, 1393, 1763, 2009, 2107, 8071, 8159, 8557, 9751, 12341, 47273, 49579, 56497, 57113, 59899, 86387, 229447, 330911, 347053, 350837, 399791, 419293, 1606129, 2032739, 2316377, 2429371, 2455859, 9407327, 9866221, 11242903, 14229173, 17191013, 65851289, 69063547, 99604211, 404515061, 460959023, 483444829, 2831605427, 19821237989]

約数ペア:

[(1, 19821237989), (7, 2831605427), (41, 483444829), (43, 460959023), (49, 404515061), (199, 99604211), (287, 69063547), (301, 65851289), (1153, 17191013), (1393, 14229173), (1763, 11242903), (2009, 9866221), (2107, 9407327), (8071, 2455859), (8159, 2429371), (8557, 2316377), (9751, 2032739), (12341, 1606129), (47273, 419293), (49579, 399791), (56497, 350837), (57113, 347053), (59899, 330911), (86387, 229447)]