19838690

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6379}}^1$

素因数の和:6697

約数の個数: 16

約数和(自身を含む): 35830080

約数和(自身を除く): 15991390

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 6379, 12758, 31895, 63790, 1983869, 3967738, 9919345, 19838690]

約数ペア:

[(1, 19838690), (2, 9919345), (5, 3967738), (10, 1983869), (311, 63790), (622, 31895), (1555, 12758), (3110, 6379)]