18674180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133387}}^1$

素因数の和:133403

約数の個数: 24

約数和(自身を含む): 44818368

約数和(自身を除く): 26144188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133387, 266774, 533548, 666935, 933709, 1333870, 1867418, 2667740, 3734836, 4668545, 9337090, 18674180]

約数ペア:

[(1, 18674180), (2, 9337090), (4, 4668545), (5, 3734836), (7, 2667740), (10, 1867418), (14, 1333870), (20, 933709), (28, 666935), (35, 533548), (70, 266774), (140, 133387)]