18781698807

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{4753657}}^1$

素因数の和:4754102

約数の個数: 12

約数和(自身を含む): 27190923760

約数和(自身を除く): 8409224953

約数列:

[1, 3, 9, 439, 1317, 3951, 4753657, 14260971, 42782913, 2086855423, 6260566269, 18781698807]

約数ペア:

[(1, 18781698807), (3, 6260566269), (9, 2086855423), (439, 42782913), (1317, 14260971), (3951, 4753657)]