18929176

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2153}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 40839840

約数和(自身を除く): 21910664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2153, 2198, 4306, 4396, 8612, 8792, 15071, 17224, 30142, 60284, 120568, 338021, 676042, 1352084, 2366147, 2704168, 4732294, 9464588, 18929176]

約数ペア:

[(1, 18929176), (2, 9464588), (4, 4732294), (7, 2704168), (8, 2366147), (14, 1352084), (28, 676042), (56, 338021), (157, 120568), (314, 60284), (628, 30142), (1099, 17224), (1256, 15071), (2153, 8792), (2198, 8612), (4306, 4396)]