19386556

素因数分解:

$2^2\times 7^2\times {\mathrm{98911}}^1$

素因数の和:98929

約数の個数: 18

約数和(自身を含む): 39465888

約数和(自身を除く): 20079332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 98911, 197822, 395644, 692377, 1384754, 2769508, 4846639, 9693278, 19386556]

約数ペア:

[(1, 19386556), (2, 9693278), (4, 4846639), (7, 2769508), (14, 1384754), (28, 692377), (49, 395644), (98, 197822), (196, 98911)]