20189221281

素因数分解:

$3^2\times {\mathrm{419}}^1\times {\mathrm{5353811}}^1$

素因数の和:5354236

約数の個数: 12

約数和(自身を含む): 29231813520

約数和(自身を除く): 9042592239

約数列:

[1, 3, 9, 419, 1257, 3771, 5353811, 16061433, 48184299, 2243246809, 6729740427, 20189221281]

約数ペア:

[(1, 20189221281), (3, 6729740427), (9, 2243246809), (419, 48184299), (1257, 16061433), (3771, 5353811)]