18686369

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 21086352

約数和(自身を除く): 2399983

約数列:

[1, 13, 37, 53, 481, 689, 733, 1961, 9529, 25493, 27121, 38849, 352573, 505037, 1437413, 18686369]

約数ペア:

[(1, 18686369), (13, 1437413), (37, 505037), (53, 352573), (481, 38849), (689, 27121), (733, 25493), (1961, 9529)]