19668136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 38638080

約数和(自身を除く): 18969944

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1117, 2201, 2234, 4402, 4468, 8804, 8936, 17608, 34627, 69254, 79307, 138508, 158614, 277016, 317228, 634456, 2458517, 4917034, 9834068, 19668136]

約数ペア:

[(1, 19668136), (2, 9834068), (4, 4917034), (8, 2458517), (31, 634456), (62, 317228), (71, 277016), (124, 158614), (142, 138508), (248, 79307), (284, 69254), (568, 34627), (1117, 17608), (2201, 8936), (2234, 8804), (4402, 4468)]