18782540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134161}}^1$

素因数の和:134177

約数の個数: 24

約数和(自身を含む): 45078432

約数和(自身を除く): 26295892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134161, 268322, 536644, 670805, 939127, 1341610, 1878254, 2683220, 3756508, 4695635, 9391270, 18782540]

約数ペア:

[(1, 18782540), (2, 9391270), (4, 4695635), (5, 3756508), (7, 2683220), (10, 1878254), (14, 1341610), (20, 939127), (28, 670805), (35, 536644), (70, 268322), (140, 134161)]