199927690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{1123}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 379552320

約数和(自身を除く): 179624630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 937, 1123, 1874, 2246, 4685, 5615, 9370, 11230, 17803, 21337, 35606, 42674, 89015, 106685, 178030, 213370, 1052251, 2104502, 5261255, 10522510, 19992769, 39985538, 99963845, 199927690]

約数ペア:

[(1, 199927690), (2, 99963845), (5, 39985538), (10, 19992769), (19, 10522510), (38, 5261255), (95, 2104502), (190, 1052251), (937, 213370), (1123, 178030), (1874, 106685), (2246, 89015), (4685, 42674), (5615, 35606), (9370, 21337), (11230, 17803)]