19992012153

素因数分解:

$3^1\times {\mathrm{503}}^2\times {\mathrm{26339}}^1$

素因数の和:27348

約数の個数: 12

約数和(自身を含む): 26710129680

約数和(自身を除く): 6718117527

約数列:

[1, 3, 503, 1509, 26339, 79017, 253009, 759027, 13248517, 39745551, 6664004051, 19992012153]

約数ペア:

[(1, 19992012153), (3, 6664004051), (503, 39745551), (1509, 13248517), (26339, 759027), (79017, 253009)]