19882870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284041}}^1$

素因数の和:284055

約数の個数: 16

約数和(自身を含む): 40902048

約数和(自身を除く): 21019178

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284041, 568082, 1420205, 1988287, 2840410, 3976574, 9941435, 19882870]

約数ペア:

[(1, 19882870), (2, 9941435), (5, 3976574), (7, 2840410), (10, 1988287), (14, 1420205), (35, 568082), (70, 284041)]