19628492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{377471}}^1$

素因数の和:377488

約数の個数: 12

約数和(自身を含む): 36992256

約数和(自身を除く): 17363764

約数列:

[1, 2, 4, 13, 26, 52, 377471, 754942, 1509884, 4907123, 9814246, 19628492]

約数ペア:

[(1, 19628492), (2, 9814246), (4, 4907123), (13, 1509884), (26, 754942), (52, 377471)]