19509476

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1087}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 39115776

約数和(自身を除く): 19606300

約数列:

[1, 2, 4, 7, 14, 28, 641, 1087, 1282, 2174, 2564, 4348, 4487, 7609, 8974, 15218, 17948, 30436, 696767, 1393534, 2787068, 4877369, 9754738, 19509476]

約数ペア:

[(1, 19509476), (2, 9754738), (4, 4877369), (7, 2787068), (14, 1393534), (28, 696767), (641, 30436), (1087, 17948), (1282, 15218), (2174, 8974), (2564, 7609), (4348, 4487)]