19194981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{727}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 27640704

約数和(自身を除く): 8445723

約数列:

[1, 3, 13, 39, 677, 727, 2031, 2181, 8801, 9451, 26403, 28353, 492179, 1476537, 6398327, 19194981]

約数ペア:

[(1, 19194981), (3, 6398327), (13, 1476537), (39, 492179), (677, 28353), (727, 26403), (2031, 9451), (2181, 8801)]