1820291208

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 4859136000

約数和(自身を除く): 3038844792

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 73, 92, 138, 146, 184, 199, 219, 227, 276, 292, 398, 438, 454, 552, 584, 597, 681, 796, 876, 908, 1194, 1362, 1592, 1679, 1752, 1816, 2388, 2724, 3358, 4577, 4776, 5037, 5221, 5448, 6716, 9154, 10074, 10442, 13432, 13731, 14527, 15663, 16571, 18308, 20148, 20884, 27462, 29054, 31326, 33142, 36616, 40296, 41768, 43581, 45173, 49713, 54924, 58108, 62652, 66284, 87162, 90346, 99426, 109848, 116216, 125304, 132568, 135519, 174324, 180692, 198852, 271038, 334121, 348648, 361384, 381133, 397704, 542076, 668242, 762266, 1002363, 1038979, 1084152, 1143399, 1336484, 1524532, 2004726, 2077958, 2286798, 2672968, 3049064, 3116937, 3297629, 4009452, 4155916, 4573596, 6233874, 6595258, 8018904, 8311832, 9147192, 9892887, 12467748, 13190516, 19785774, 24935496, 26381032, 39571548, 75845467, 79143096, 151690934, 227536401, 303381868, 455072802, 606763736, 910145604, 1820291208]

約数ペア:

[(1, 1820291208), (2, 910145604), (3, 606763736), (4, 455072802), (6, 303381868), (8, 227536401), (12, 151690934), (23, 79143096), (24, 75845467), (46, 39571548), (69, 26381032), (73, 24935496), (92, 19785774), (138, 13190516), (146, 12467748), (184, 9892887), (199, 9147192), (219, 8311832), (227, 8018904), (276, 6595258), (292, 6233874), (398, 4573596), (438, 4155916), (454, 4009452), (552, 3297629), (584, 3116937), (597, 3049064), (681, 2672968), (796, 2286798), (876, 2077958), (908, 2004726), (1194, 1524532), (1362, 1336484), (1592, 1143399), (1679, 1084152), (1752, 1038979), (1816, 1002363), (2388, 762266), (2724, 668242), (3358, 542076), (4577, 397704), (4776, 381133), (5037, 361384), (5221, 348648), (5448, 334121), (6716, 271038), (9154, 198852), (10074, 180692), (10442, 174324), (13432, 135519), (13731, 132568), (14527, 125304), (15663, 116216), (16571, 109848), (18308, 99426), (20148, 90346), (20884, 87162), (27462, 66284), (29054, 62652), (31326, 58108), (33142, 54924), (36616, 49713), (40296, 45173), (41768, 43581)]