19560460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20809}}^1$

素因数の和:20865

約数の個数: 24

約数和(自身を含む): 41952960

約数和(自身を除く): 22392500

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20809, 41618, 83236, 104045, 208090, 416180, 978023, 1956046, 3912092, 4890115, 9780230, 19560460]

約数ペア:

[(1, 19560460), (2, 9780230), (4, 4890115), (5, 3912092), (10, 1956046), (20, 978023), (47, 416180), (94, 208090), (188, 104045), (235, 83236), (470, 41618), (940, 20809)]