19640137

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 22550400

約数和(自身を除く): 2910263

約数列:

[1, 11, 23, 149, 253, 521, 1639, 3427, 5731, 11983, 37697, 77629, 131813, 853919, 1785467, 19640137]

約数ペア:

[(1, 19640137), (11, 1785467), (23, 853919), (149, 131813), (253, 77629), (521, 37697), (1639, 11983), (3427, 5731)]