17980460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47317}}^1$

素因数の和:47345

約数の個数: 24

約数和(自身を含む): 39747120

約数和(自身を除く): 21766660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47317, 94634, 189268, 236585, 473170, 899023, 946340, 1798046, 3596092, 4495115, 8990230, 17980460]

約数ペア:

[(1, 17980460), (2, 8990230), (4, 4495115), (5, 3596092), (10, 1798046), (19, 946340), (20, 899023), (38, 473170), (76, 236585), (95, 189268), (190, 94634), (380, 47317)]