19391553

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4073}}^1$

素因数の和:4125

約数の個数: 18

約数和(自身を含む): 29287986

約数和(自身を除く): 9896433

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4073, 4761, 12219, 36657, 93679, 281037, 843111, 2154617, 6463851, 19391553]

約数ペア:

[(1, 19391553), (3, 6463851), (9, 2154617), (23, 843111), (69, 281037), (207, 93679), (529, 36657), (1587, 12219), (4073, 4761)]