18525140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6761}}^1$

素因数の和:6907

約数の個数: 24

約数和(自身を含む): 39192552

約数和(自身を除く): 20667412

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6761, 13522, 27044, 33805, 67610, 135220, 926257, 1852514, 3705028, 4631285, 9262570, 18525140]

約数ペア:

[(1, 18525140), (2, 9262570), (4, 4631285), (5, 3705028), (10, 1852514), (20, 926257), (137, 135220), (274, 67610), (548, 33805), (685, 27044), (1370, 13522), (2740, 6761)]