9819580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25841}}^1$

素因数の和:25869

約数の個数: 24

約数和(自身を含む): 21707280

約数和(自身を除く): 11887700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25841, 51682, 103364, 129205, 258410, 490979, 516820, 981958, 1963916, 2454895, 4909790, 9819580]

約数ペア:

[(1, 9819580), (2, 4909790), (4, 2454895), (5, 1963916), (10, 981958), (19, 516820), (20, 490979), (38, 258410), (76, 129205), (95, 103364), (190, 51682), (380, 25841)]