18251140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6661}}^1$

素因数の和:6807

約数の個数: 24

約数和(自身を含む): 38612952

約数和(自身を除く): 20361812

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6661, 13322, 26644, 33305, 66610, 133220, 912557, 1825114, 3650228, 4562785, 9125570, 18251140]

約数ペア:

[(1, 18251140), (2, 9125570), (4, 4562785), (5, 3650228), (10, 1825114), (20, 912557), (137, 133220), (274, 66610), (548, 33305), (685, 26644), (1370, 13322), (2740, 6661)]