19877091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7607}}^1$

素因数の和:7690

約数の個数: 16

約数和(自身を含む): 28971264

約数和(自身を除く): 9094173

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7607, 22821, 98891, 296673, 509669, 1529007, 6625697, 19877091]

約数ペア:

[(1, 19877091), (3, 6625697), (13, 1529007), (39, 509669), (67, 296673), (201, 98891), (871, 22821), (2613, 7607)]