19644937

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 21909888

約数和(自身を除く): 2264951

約数列:

[1, 13, 43, 113, 311, 559, 1469, 4043, 4859, 13373, 35143, 63167, 173849, 456859, 1511149, 19644937]

約数ペア:

[(1, 19644937), (13, 1511149), (43, 456859), (113, 173849), (311, 63167), (559, 35143), (1469, 13373), (4043, 4859)]