18916497

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8053}}^1$

素因数の和:8094

約数の個数: 20

約数和(自身を含む): 29236020

約数和(自身を除く): 10319523

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8053, 24159, 72477, 217431, 233537, 652293, 700611, 2101833, 6305499, 18916497]

約数ペア:

[(1, 18916497), (3, 6305499), (9, 2101833), (27, 700611), (29, 652293), (81, 233537), (87, 217431), (261, 72477), (783, 24159), (2349, 8053)]