19966857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{1033}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 28290240

約数和(自身を除く): 8323383

約数列:

[1, 3, 17, 51, 379, 1033, 1137, 3099, 6443, 17561, 19329, 52683, 391507, 1174521, 6655619, 19966857]

約数ペア:

[(1, 19966857), (3, 6655619), (17, 1174521), (51, 391507), (379, 52683), (1033, 19329), (1137, 17561), (3099, 6443)]