19797392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65123}}^1$

素因数の和:65150

約数の個数: 20

約数和(自身を含む): 40376880

約数和(自身を除く): 20579488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65123, 130246, 260492, 520984, 1041968, 1237337, 2474674, 4949348, 9898696, 19797392]

約数ペア:

[(1, 19797392), (2, 9898696), (4, 4949348), (8, 2474674), (16, 1237337), (19, 1041968), (38, 520984), (76, 260492), (152, 130246), (304, 65123)]