19638178561

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{28277}}^1$

素因数の和:28872

約数の個数: 16

約数和(自身を含む): 20783651328

約数和(自身を除く): 1145472767

約数列:

[1, 31, 43, 521, 1333, 16151, 22403, 28277, 694493, 876587, 1215911, 14732317, 37693241, 456701827, 633489631, 19638178561]

約数ペア:

[(1, 19638178561), (31, 633489631), (43, 456701827), (521, 37693241), (1333, 14732317), (16151, 1215911), (22403, 876587), (28277, 694493)]