18568871

素因数分解:

${\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 1591129

約数列:

[1, 19, 79, 89, 139, 1501, 1691, 2641, 7031, 10981, 12371, 133589, 208639, 235049, 977309, 18568871]

約数ペア:

[(1, 18568871), (19, 977309), (79, 235049), (89, 208639), (139, 133589), (1501, 12371), (1691, 10981), (2641, 7031)]