19804624

素因数分解:

$2^4\times 7^2\times {\mathrm{25261}}^1$

素因数の和:25283

約数の個数: 30

約数和(自身を含む): 44637954

約数和(自身を除く): 24833330

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25261, 50522, 101044, 176827, 202088, 353654, 404176, 707308, 1237789, 1414616, 2475578, 2829232, 4951156, 9902312, 19804624]

約数ペア:

[(1, 19804624), (2, 9902312), (4, 4951156), (7, 2829232), (8, 2475578), (14, 1414616), (16, 1237789), (28, 707308), (49, 404176), (56, 353654), (98, 202088), (112, 176827), (196, 101044), (392, 50522), (784, 25261)]