19520984

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{971}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 22469416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 971, 1436, 1942, 2513, 2872, 3884, 5026, 6797, 7768, 10052, 13594, 20104, 27188, 54376, 348589, 697178, 1394356, 2440123, 2788712, 4880246, 9760492, 19520984]

約数ペア:

[(1, 19520984), (2, 9760492), (4, 4880246), (7, 2788712), (8, 2440123), (14, 1394356), (28, 697178), (56, 348589), (359, 54376), (718, 27188), (971, 20104), (1436, 13594), (1942, 10052), (2513, 7768), (2872, 6797), (3884, 5026)]