19769804

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13691}}^1$

素因数の和:13733

約数の個数: 18

約数和(自身を含む): 36516564

約数和(自身を除く): 16746760

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13691, 27382, 54764, 260129, 520258, 1040516, 4942451, 9884902, 19769804]

約数ペア:

[(1, 19769804), (2, 9884902), (4, 4942451), (19, 1040516), (38, 520258), (76, 260129), (361, 54764), (722, 27382), (1444, 13691)]