18970119

素因数分解:

$3^4\times 7^1\times {\mathrm{33457}}^1$

素因数の和:33476

約数の個数: 20

約数和(自身を含む): 32387344

約数和(自身を除く): 13417225

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33457, 100371, 234199, 301113, 702597, 903339, 2107791, 2710017, 6323373, 18970119]

約数ペア:

[(1, 18970119), (3, 6323373), (7, 2710017), (9, 2107791), (21, 903339), (27, 702597), (63, 301113), (81, 234199), (189, 100371), (567, 33457)]