11985865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 15361920

約数和(自身を除く): 3376055

約数列:

[1, 5, 19, 71, 95, 355, 1349, 1777, 6745, 8885, 33763, 126167, 168815, 630835, 2397173, 11985865]

約数ペア:

[(1, 11985865), (5, 2397173), (19, 630835), (71, 168815), (95, 126167), (355, 33763), (1349, 8885), (1777, 6745)]