19691728

素因数分解:

$2^4\times 7^2\times {\mathrm{25117}}^1$

素因数の和:25139

約数の個数: 30

約数和(自身を含む): 44383506

約数和(自身を除く): 24691778

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25117, 50234, 100468, 175819, 200936, 351638, 401872, 703276, 1230733, 1406552, 2461466, 2813104, 4922932, 9845864, 19691728]

約数ペア:

[(1, 19691728), (2, 9845864), (4, 4922932), (7, 2813104), (8, 2461466), (14, 1406552), (16, 1230733), (28, 703276), (49, 401872), (56, 351638), (98, 200936), (112, 175819), (196, 100468), (392, 50234), (784, 25117)]