13128620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{34549}}^1$

素因数の和:34577

約数の個数: 24

約数和(自身を含む): 29022000

約数和(自身を除く): 15893380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 34549, 69098, 138196, 172745, 345490, 656431, 690980, 1312862, 2625724, 3282155, 6564310, 13128620]

約数ペア:

[(1, 13128620), (2, 6564310), (4, 3282155), (5, 2625724), (10, 1312862), (19, 690980), (20, 656431), (38, 345490), (76, 172745), (95, 138196), (190, 69098), (380, 34549)]