19785808

素因数分解:

$2^4\times 7^2\times {\mathrm{25237}}^1$

素因数の和:25259

約数の個数: 30

約数和(自身を含む): 44595546

約数和(自身を除く): 24809738

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25237, 50474, 100948, 176659, 201896, 353318, 403792, 706636, 1236613, 1413272, 2473226, 2826544, 4946452, 9892904, 19785808]

約数ペア:

[(1, 19785808), (2, 9892904), (4, 4946452), (7, 2826544), (8, 2473226), (14, 1413272), (16, 1236613), (28, 706636), (49, 403792), (56, 353318), (98, 201896), (112, 176659), (196, 100948), (392, 50474), (784, 25237)]