18890984

素因数分解:

$2^3\times 7^1\times {\mathrm{337339}}^1$

素因数の和:337352

約数の個数: 16

約数和(自身を含む): 40480800

約数和(自身を除く): 21589816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337339, 674678, 1349356, 2361373, 2698712, 4722746, 9445492, 18890984]

約数ペア:

[(1, 18890984), (2, 9445492), (4, 4722746), (7, 2698712), (8, 2361373), (14, 1349356), (28, 674678), (56, 337339)]