19870530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{662351}}^1$

素因数の和:662361

約数の個数: 16

約数和(自身を含む): 47689344

約数和(自身を除く): 27818814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 662351, 1324702, 1987053, 3311755, 3974106, 6623510, 9935265, 19870530]

約数ペア:

[(1, 19870530), (2, 9935265), (3, 6623510), (5, 3974106), (6, 3311755), (10, 1987053), (15, 1324702), (30, 662351)]