19964554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1559}}^1$

素因数の和:1917

約数の個数: 16

約数和(自身を含む): 31636800

約数和(自身を除く): 11672246

約数列:

[1, 2, 19, 38, 337, 674, 1559, 3118, 6403, 12806, 29621, 59242, 525383, 1050766, 9982277, 19964554]

約数ペア:

[(1, 19964554), (2, 9982277), (19, 1050766), (38, 525383), (337, 59242), (674, 29621), (1559, 12806), (3118, 6403)]