19985185136

素因数分解:

$2^4\times 7^1\times {\mathrm{10091}}^1\times {\mathrm{17683}}^1$

素因数の和:27789

約数の個数: 40

約数和(自身を含む): 44259798144

約数和(自身を除く): 24274613008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 10091, 17683, 20182, 35366, 40364, 70637, 70732, 80728, 123781, 141274, 141464, 161456, 247562, 282548, 282928, 495124, 565096, 990248, 1130192, 1980496, 178439153, 356878306, 713756612, 1249074071, 1427513224, 2498148142, 2855026448, 4996296284, 9992592568, 19985185136]

約数ペア:

[(1, 19985185136), (2, 9992592568), (4, 4996296284), (7, 2855026448), (8, 2498148142), (14, 1427513224), (16, 1249074071), (28, 713756612), (56, 356878306), (112, 178439153), (10091, 1980496), (17683, 1130192), (20182, 990248), (35366, 565096), (40364, 495124), (70637, 282928), (70732, 282548), (80728, 247562), (123781, 161456), (141274, 141464)]