19695605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1667}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 25220160

約数和(自身を除く): 5524555

約数列:

[1, 5, 17, 85, 139, 695, 1667, 2363, 8335, 11815, 28339, 141695, 231713, 1158565, 3939121, 19695605]

約数ペア:

[(1, 19695605), (5, 3939121), (17, 1158565), (85, 231713), (139, 141695), (695, 28339), (1667, 11815), (2363, 8335)]