19888102

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17789}}^1$

素因数の和:17847

約数の個数: 16

約数和(自身を含む): 32875920

約数和(自身を除く): 12987818

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17789, 35578, 231257, 462514, 764927, 1529854, 9944051, 19888102]

約数ペア:

[(1, 19888102), (2, 9944051), (13, 1529854), (26, 764927), (43, 462514), (86, 231257), (559, 35578), (1118, 17789)]