19907060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52387}}^1$

素因数の和:52415

約数の個数: 24

約数和(自身を含む): 44005920

約数和(自身を除く): 24098860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52387, 104774, 209548, 261935, 523870, 995353, 1047740, 1990706, 3981412, 4976765, 9953530, 19907060]

約数ペア:

[(1, 19907060), (2, 9953530), (4, 4976765), (5, 3981412), (10, 1990706), (19, 1047740), (20, 995353), (38, 523870), (76, 261935), (95, 209548), (190, 104774), (380, 52387)]