19270251

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 128

約数和(自身を含む): 41287680

約数和(自身を除く): 22017429

約数列:

[1, 3, 7, 9, 11, 13, 21, 23, 27, 31, 33, 39, 63, 69, 77, 91, 93, 99, 117, 143, 161, 189, 207, 217, 231, 253, 273, 279, 297, 299, 341, 351, 403, 429, 483, 621, 651, 693, 713, 759, 819, 837, 897, 1001, 1023, 1209, 1287, 1449, 1771, 1953, 2079, 2093, 2139, 2277, 2387, 2457, 2691, 2821, 3003, 3069, 3289, 3627, 3861, 4347, 4433, 4991, 5313, 5859, 6279, 6417, 6831, 7161, 7843, 8073, 8463, 9009, 9207, 9269, 9867, 10881, 13299, 14973, 15939, 18837, 19251, 21483, 23023, 23529, 25389, 27027, 27807, 29601, 31031, 39897, 44919, 47817, 54901, 56511, 64449, 64883, 69069, 70587, 76167, 83421, 88803, 93093, 101959, 119691, 134757, 164703, 194649, 207207, 211761, 250263, 279279, 305877, 494109, 583947, 621621, 713713, 837837, 917631, 1482327, 1751841, 2141139, 2752893, 6423417, 19270251]

約数ペア:

[(1, 19270251), (3, 6423417), (7, 2752893), (9, 2141139), (11, 1751841), (13, 1482327), (21, 917631), (23, 837837), (27, 713713), (31, 621621), (33, 583947), (39, 494109), (63, 305877), (69, 279279), (77, 250263), (91, 211761), (93, 207207), (99, 194649), (117, 164703), (143, 134757), (161, 119691), (189, 101959), (207, 93093), (217, 88803), (231, 83421), (253, 76167), (273, 70587), (279, 69069), (297, 64883), (299, 64449), (341, 56511), (351, 54901), (403, 47817), (429, 44919), (483, 39897), (621, 31031), (651, 29601), (693, 27807), (713, 27027), (759, 25389), (819, 23529), (837, 23023), (897, 21483), (1001, 19251), (1023, 18837), (1209, 15939), (1287, 14973), (1449, 13299), (1771, 10881), (1953, 9867), (2079, 9269), (2093, 9207), (2139, 9009), (2277, 8463), (2387, 8073), (2457, 7843), (2691, 7161), (2821, 6831), (3003, 6417), (3069, 6279), (3289, 5859), (3627, 5313), (3861, 4991), (4347, 4433)]