18200660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6547}}^1$

素因数の和:6695

約数の個数: 24

約数和(自身を含む): 38502240

約数和(自身を除く): 20301580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6547, 13094, 26188, 32735, 65470, 130940, 910033, 1820066, 3640132, 4550165, 9100330, 18200660]

約数ペア:

[(1, 18200660), (2, 9100330), (4, 4550165), (5, 3640132), (10, 1820066), (20, 910033), (139, 130940), (278, 65470), (556, 32735), (695, 26188), (1390, 13094), (2780, 6547)]