19513550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 41902080

約数和(自身を除く): 22388530

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 127, 175, 254, 350, 439, 635, 878, 889, 1270, 1778, 2195, 3073, 3175, 4390, 4445, 6146, 6350, 8890, 10975, 15365, 21950, 22225, 30730, 44450, 55753, 76825, 111506, 153650, 278765, 390271, 557530, 780542, 1393825, 1951355, 2787650, 3902710, 9756775, 19513550]

約数ペア:

[(1, 19513550), (2, 9756775), (5, 3902710), (7, 2787650), (10, 1951355), (14, 1393825), (25, 780542), (35, 557530), (50, 390271), (70, 278765), (127, 153650), (175, 111506), (254, 76825), (350, 55753), (439, 44450), (635, 30730), (878, 22225), (889, 21950), (1270, 15365), (1778, 10975), (2195, 8890), (3073, 6350), (3175, 6146), (4390, 4445)]