19904210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104759}}^1$

素因数の和:104785

約数の個数: 16

約数和(自身を含む): 37713600

約数和(自身を除く): 17809390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104759, 209518, 523795, 1047590, 1990421, 3980842, 9952105, 19904210]

約数ペア:

[(1, 19904210), (2, 9952105), (5, 3980842), (10, 1990421), (19, 1047590), (38, 523795), (95, 209518), (190, 104759)]