18602540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7687}}^1$

素因数の和:7718

約数の個数: 36

約数和(自身を含む): 42945168

約数和(自身を除く): 24342628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7687, 15374, 30748, 38435, 76870, 84557, 153740, 169114, 338228, 422785, 845570, 930127, 1691140, 1860254, 3720508, 4650635, 9301270, 18602540]

約数ペア:

[(1, 18602540), (2, 9301270), (4, 4650635), (5, 3720508), (10, 1860254), (11, 1691140), (20, 930127), (22, 845570), (44, 422785), (55, 338228), (110, 169114), (121, 153740), (220, 84557), (242, 76870), (484, 38435), (605, 30748), (1210, 15374), (2420, 7687)]