19490044

素因数分解:

$2^2\times 7^2\times {\mathrm{99439}}^1$

素因数の和:99457

約数の個数: 18

約数和(自身を含む): 39676560

約数和(自身を除く): 20186516

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99439, 198878, 397756, 696073, 1392146, 2784292, 4872511, 9745022, 19490044]

約数ペア:

[(1, 19490044), (2, 9745022), (4, 4872511), (7, 2784292), (14, 1392146), (28, 696073), (49, 397756), (98, 198878), (196, 99439)]