15139580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39841}}^1$

素因数の和:39869

約数の個数: 24

約数和(自身を含む): 33467280

約数和(自身を除く): 18327700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 39841, 79682, 159364, 199205, 398410, 756979, 796820, 1513958, 3027916, 3784895, 7569790, 15139580]

約数ペア:

[(1, 15139580), (2, 7569790), (4, 3784895), (5, 3027916), (10, 1513958), (19, 796820), (20, 756979), (38, 398410), (76, 199205), (95, 159364), (190, 79682), (380, 39841)]