12901855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 16548480

約数和(自身を除く): 3646625

約数列:

[1, 5, 19, 67, 95, 335, 1273, 2027, 6365, 10135, 38513, 135809, 192565, 679045, 2580371, 12901855]

約数ペア:

[(1, 12901855), (5, 2580371), (19, 679045), (67, 192565), (95, 135809), (335, 38513), (1273, 10135), (2027, 6365)]