19774315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21149}}^1$

素因数の和:21182

約数の個数: 16

約数和(自身を含む): 27410400

約数和(自身を除く): 7636085

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21149, 105745, 232639, 359533, 1163195, 1797665, 3954863, 19774315]

約数ペア:

[(1, 19774315), (5, 3954863), (11, 1797665), (17, 1163195), (55, 359533), (85, 232639), (187, 105745), (935, 21149)]