19830339

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1787}}^1$

素因数の和:1936

約数の個数: 20

約数和(自身を含む): 29856024

約数和(自身を除く): 10025685

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1787, 3699, 5361, 11097, 16083, 48249, 144747, 244819, 734457, 2203371, 6610113, 19830339]

約数ペア:

[(1, 19830339), (3, 6610113), (9, 2203371), (27, 734457), (81, 244819), (137, 144747), (411, 48249), (1233, 16083), (1787, 11097), (3699, 5361)]