19906814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{733}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 30792768

約数和(自身を除く): 10885954

約数列:

[1, 2, 37, 74, 367, 733, 734, 1466, 13579, 27121, 27158, 54242, 269011, 538022, 9953407, 19906814]

約数ペア:

[(1, 19906814), (2, 9953407), (37, 538022), (74, 269011), (367, 54242), (733, 27158), (734, 27121), (1466, 13579)]