19378437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3793}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 28045248

約数和(自身を除く): 8666811

約数列:

[1, 3, 13, 39, 131, 393, 1703, 3793, 5109, 11379, 49309, 147927, 496883, 1490649, 6459479, 19378437]

約数ペア:

[(1, 19378437), (3, 6459479), (13, 1490649), (39, 496883), (131, 147927), (393, 49309), (1703, 11379), (3793, 5109)]