19997383905

素因数分解:

$3^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{472249}}^1$

素因数の和:473201

約数の個数: 24

約数和(自身を含む): 34699041000

約数和(自身を除く): 14701657095

約数列:

[1, 3, 5, 9, 15, 45, 941, 2823, 4705, 8469, 14115, 42345, 472249, 1416747, 2361245, 4250241, 7083735, 21251205, 444386309, 1333158927, 2221931545, 3999476781, 6665794635, 19997383905]

約数ペア:

[(1, 19997383905), (3, 6665794635), (5, 3999476781), (9, 2221931545), (15, 1333158927), (45, 444386309), (941, 21251205), (2823, 7083735), (4705, 4250241), (8469, 2361245), (14115, 1416747), (42345, 472249)]