19771696

素因数分解:

$2^4\times 7^2\times {\mathrm{25219}}^1$

素因数の和:25241

約数の個数: 30

約数和(自身を含む): 44563740

約数和(自身を除く): 24792044

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25219, 50438, 100876, 176533, 201752, 353066, 403504, 706132, 1235731, 1412264, 2471462, 2824528, 4942924, 9885848, 19771696]

約数ペア:

[(1, 19771696), (2, 9885848), (4, 4942924), (7, 2824528), (8, 2471462), (14, 1412264), (16, 1235731), (28, 706132), (49, 403504), (56, 353066), (98, 201752), (112, 176533), (196, 100876), (392, 50438), (784, 25219)]