19514180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139387}}^1$

素因数の和:139403

約数の個数: 24

約数和(自身を含む): 46834368

約数和(自身を除く): 27320188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139387, 278774, 557548, 696935, 975709, 1393870, 1951418, 2787740, 3902836, 4878545, 9757090, 19514180]

約数ペア:

[(1, 19514180), (2, 9757090), (4, 4878545), (5, 3902836), (7, 2787740), (10, 1951418), (14, 1393870), (20, 975709), (28, 696935), (35, 557548), (70, 278774), (140, 139387)]