19782723

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 27127296

約数和(自身を除く): 7344573

約数列:

[1, 3, 47, 141, 173, 519, 811, 2433, 8131, 24393, 38117, 114351, 140303, 420909, 6594241, 19782723]

約数ペア:

[(1, 19782723), (3, 6594241), (47, 420909), (141, 140303), (173, 114351), (519, 38117), (811, 24393), (2433, 8131)]