17719804

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{6911}}^1$

素因数の和:7556

約数の個数: 12

約数和(自身を含む): 31062528

約数和(自身を除く): 13342724

約数列:

[1, 2, 4, 641, 1282, 2564, 6911, 13822, 27644, 4429951, 8859902, 17719804]

約数ペア:

[(1, 17719804), (2, 8859902), (4, 4429951), (641, 27644), (1282, 13822), (2564, 6911)]