19658492

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5051}}^1$

素因数の和:5201

約数の個数: 24

約数和(自身を含む): 39607680

約数和(自身を除く): 19949188

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5051, 10102, 20204, 35357, 70714, 141428, 702089, 1404178, 2808356, 4914623, 9829246, 19658492]

約数ペア:

[(1, 19658492), (2, 9829246), (4, 4914623), (7, 2808356), (14, 1404178), (28, 702089), (139, 141428), (278, 70714), (556, 35357), (973, 20204), (1946, 10102), (3892, 5051)]