19799121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 27971840

約数和(自身を除く): 8172719

約数列:

[1, 3, 19, 57, 163, 489, 2131, 3097, 6393, 9291, 40489, 121467, 347353, 1042059, 6599707, 19799121]

約数ペア:

[(1, 19799121), (3, 6599707), (19, 1042059), (57, 347353), (163, 121467), (489, 40489), (2131, 9291), (3097, 6393)]