19924331

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21401}}^1$

素因数の和:21434

約数の個数: 12

約数和(自身を含む): 24398280

約数和(自身を除く): 4473949

約数列:

[1, 7, 19, 49, 133, 931, 21401, 149807, 406619, 1048649, 2846333, 19924331]

約数ペア:

[(1, 19924331), (7, 2846333), (19, 1048649), (49, 406619), (133, 149807), (931, 21401)]