19046890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21401}}^1$

素因数の和:21497

約数の個数: 16

約数和(自身を含む): 34671240

約数和(自身を除く): 15624350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21401, 42802, 107005, 214010, 1904689, 3809378, 9523445, 19046890]

約数ペア:

[(1, 19046890), (2, 9523445), (5, 3809378), (10, 1904689), (89, 214010), (178, 107005), (445, 42802), (890, 21401)]