19019429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 16

約数和(自身を含む): 22505280

約数和(自身を除く): 3485851

約数列:

[1, 11, 13, 143, 169, 787, 1859, 2197, 8657, 10231, 24167, 112541, 133003, 1463033, 1729039, 19019429]

約数ペア:

[(1, 19019429), (11, 1729039), (13, 1463033), (143, 133003), (169, 112541), (787, 24167), (1859, 10231), (2197, 8657)]