16461220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43319}}^1$

素因数の和:43347

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 19927580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 43319, 86638, 173276, 216595, 433190, 823061, 866380, 1646122, 3292244, 4115305, 8230610, 16461220]

約数ペア:

[(1, 16461220), (2, 8230610), (4, 4115305), (5, 3292244), (10, 1646122), (19, 866380), (20, 823061), (38, 433190), (76, 216595), (95, 173276), (190, 86638), (380, 43319)]