19842650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20887}}^1$

素因数の和:20918

約数の個数: 24

約数和(自身を含む): 38851680

約数和(自身を除く): 19009030

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20887, 41774, 104435, 208870, 396853, 522175, 793706, 1044350, 1984265, 3968530, 9921325, 19842650]

約数ペア:

[(1, 19842650), (2, 9921325), (5, 3968530), (10, 1984265), (19, 1044350), (25, 793706), (38, 522175), (50, 396853), (95, 208870), (190, 104435), (475, 41774), (950, 20887)]