18081863

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 20998800

約数和(自身を除く): 2916937

約数列:

[1, 17, 19, 37, 89, 289, 323, 629, 703, 1513, 1691, 3293, 5491, 10693, 11951, 25721, 28747, 55981, 62567, 203167, 488699, 951677, 1063639, 18081863]

約数ペア:

[(1, 18081863), (17, 1063639), (19, 951677), (37, 488699), (89, 203167), (289, 62567), (323, 55981), (629, 28747), (703, 25721), (1513, 11951), (1691, 10693), (3293, 5491)]