18663939

素因数分解:

$3^4\times 7^1\times {\mathrm{32917}}^1$

素因数の和:32936

約数の個数: 20

約数和(自身を含む): 31864624

約数和(自身を除く): 13200685

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32917, 98751, 230419, 296253, 691257, 888759, 2073771, 2666277, 6221313, 18663939]

約数ペア:

[(1, 18663939), (3, 6221313), (7, 2666277), (9, 2073771), (21, 888759), (27, 691257), (63, 296253), (81, 230419), (189, 98751), (567, 32917)]