17963491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 22215424

約数和(自身を除く): 4251933

約数列:

[1, 7, 13, 91, 307, 643, 2149, 3991, 4501, 8359, 27937, 58513, 197401, 1381807, 2566213, 17963491]

約数ペア:

[(1, 17963491), (7, 2566213), (13, 1381807), (91, 197401), (307, 58513), (643, 27937), (2149, 8359), (3991, 4501)]