19791676

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 15601220

約数列:

[1, 2, 4, 71, 142, 227, 284, 307, 454, 614, 908, 1228, 16117, 21797, 32234, 43594, 64468, 69689, 87188, 139378, 278756, 4947919, 9895838, 19791676]

約数ペア:

[(1, 19791676), (2, 9895838), (4, 4947919), (71, 278756), (142, 139378), (227, 87188), (284, 69689), (307, 64468), (454, 43594), (614, 32234), (908, 21797), (1228, 16117)]