19870042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13591}}^1$

素因数の和:13653

約数の個数: 16

約数和(自身を含む): 32294592

約数和(自身を除く): 12424550

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13591, 27182, 231047, 462094, 584413, 1168826, 9935021, 19870042]

約数ペア:

[(1, 19870042), (2, 9935021), (17, 1168826), (34, 584413), (43, 462094), (86, 231047), (731, 27182), (1462, 13591)]