18519411820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1453643}}^1$

素因数の和:1453679

約数の個数: 72

約数和(自身を含む): 48720332304

約数和(自身を除く): 30200920484

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 1453643, 2907286, 5814572, 7268215, 10175501, 14536430, 18897359, 20351002, 29072860, 37794718, 40702004, 50877505, 71228507, 75589436, 94486795, 101755010, 132281513, 142457014, 188973590, 203510020, 264563026, 284914028, 356142535, 377947180, 529126052, 661407565, 712285070, 925970591, 1322815130, 1424570140, 1851941182, 2645630260, 3703882364, 4629852955, 9259705910, 18519411820]

約数ペア:

[(1, 18519411820), (2, 9259705910), (4, 4629852955), (5, 3703882364), (7, 2645630260), (10, 1851941182), (13, 1424570140), (14, 1322815130), (20, 925970591), (26, 712285070), (28, 661407565), (35, 529126052), (49, 377947180), (52, 356142535), (65, 284914028), (70, 264563026), (91, 203510020), (98, 188973590), (130, 142457014), (140, 132281513), (182, 101755010), (196, 94486795), (245, 75589436), (260, 71228507), (364, 50877505), (455, 40702004), (490, 37794718), (637, 29072860), (910, 20351002), (980, 18897359), (1274, 14536430), (1820, 10175501), (2548, 7268215), (3185, 5814572), (6370, 2907286), (12740, 1453643)]