19187922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 42163200

約数和(自身を除く): 22975278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 149, 169, 254, 298, 338, 381, 447, 507, 762, 894, 1014, 1651, 1937, 3302, 3874, 4953, 5811, 9906, 11622, 18923, 21463, 25181, 37846, 42926, 50362, 56769, 64389, 75543, 113538, 128778, 151086, 245999, 491998, 737997, 1475994, 3197987, 6395974, 9593961, 19187922]

約数ペア:

[(1, 19187922), (2, 9593961), (3, 6395974), (6, 3197987), (13, 1475994), (26, 737997), (39, 491998), (78, 245999), (127, 151086), (149, 128778), (169, 113538), (254, 75543), (298, 64389), (338, 56769), (381, 50362), (447, 42926), (507, 37846), (762, 25181), (894, 21463), (1014, 18923), (1651, 11622), (1937, 9906), (3302, 5811), (3874, 4953)]