19789278

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{45181}}^1$

素因数の和:45259

約数の個数: 16

約数和(自身を含む): 40121616

約数和(自身を除く): 20332338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 45181, 90362, 135543, 271086, 3298213, 6596426, 9894639, 19789278]

約数ペア:

[(1, 19789278), (2, 9894639), (3, 6596426), (6, 3298213), (73, 271086), (146, 135543), (219, 90362), (438, 45181)]