18909719087

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3306473}}^1$

素因数の和:3306542

約数の個数: 16

約数和(自身を含む): 23277576960

約数和(自身を除く): 4367857873

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 3306473, 23145311, 62822987, 142178339, 439760909, 995248373, 2701388441, 18909719087]

約数ペア:

[(1, 18909719087), (7, 2701388441), (19, 995248373), (43, 439760909), (133, 142178339), (301, 62822987), (817, 23145311), (5719, 3306473)]