19401309

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6359}}^1$

素因数の和:6481

約数の個数: 16

約数和(自身を含む): 29001600

約数和(自身を除く): 9600291

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6359, 19077, 57231, 171693, 718567, 2155701, 6467103, 19401309]

約数ペア:

[(1, 19401309), (3, 6467103), (9, 2155701), (27, 718567), (113, 171693), (339, 57231), (1017, 19077), (3051, 6359)]