19611788

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5039}}^1$

素因数の和:5189

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 19901812

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5039, 10078, 20156, 35273, 70546, 141092, 700421, 1400842, 2801684, 4902947, 9805894, 19611788]

約数ペア:

[(1, 19611788), (2, 9805894), (4, 4902947), (7, 2801684), (14, 1400842), (28, 700421), (139, 141092), (278, 70546), (556, 35273), (973, 20156), (1946, 10078), (3892, 5039)]