2019397744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1386949}}^1$

素因数の和:1386977

約数の個数: 40

約数和(自身を含む): 4815490400

約数和(自身を除く): 2796092656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1386949, 2773898, 5547796, 9708643, 11095592, 18030337, 19417286, 22191184, 36060674, 38834572, 72121348, 77669144, 126212359, 144242696, 155338288, 252424718, 288485392, 504849436, 1009698872, 2019397744]

約数ペア:

[(1, 2019397744), (2, 1009698872), (4, 504849436), (7, 288485392), (8, 252424718), (13, 155338288), (14, 144242696), (16, 126212359), (26, 77669144), (28, 72121348), (52, 38834572), (56, 36060674), (91, 22191184), (104, 19417286), (112, 18030337), (182, 11095592), (208, 9708643), (364, 5547796), (728, 2773898), (1456, 1386949)]