19090990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65831}}^1$

素因数の和:65867

約数の個数: 16

約数和(自身を含む): 35549280

約数和(自身を除く): 16458290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65831, 131662, 329155, 658310, 1909099, 3818198, 9545495, 19090990]

約数ペア:

[(1, 19090990), (2, 9545495), (5, 3818198), (10, 1909099), (29, 658310), (58, 329155), (145, 131662), (290, 65831)]