18807740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134341}}^1$

素因数の和:134357

約数の個数: 24

約数和(自身を含む): 45138912

約数和(自身を除く): 26331172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134341, 268682, 537364, 671705, 940387, 1343410, 1880774, 2686820, 3761548, 4701935, 9403870, 18807740]

約数ペア:

[(1, 18807740), (2, 9403870), (4, 4701935), (5, 3761548), (7, 2686820), (10, 1880774), (14, 1343410), (20, 940387), (28, 671705), (35, 537364), (70, 268682), (140, 134341)]