18639628

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3719}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 18857972

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 3719, 5012, 7438, 14876, 26033, 52066, 104132, 665701, 1331402, 2662804, 4659907, 9319814, 18639628]

約数ペア:

[(1, 18639628), (2, 9319814), (4, 4659907), (7, 2662804), (14, 1331402), (28, 665701), (179, 104132), (358, 52066), (716, 26033), (1253, 14876), (2506, 7438), (3719, 5012)]