19847949

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4327}}^1$

素因数の和:4480

約数の個数: 16

約数和(自身を含む): 29084160

約数和(自身を除く): 9236211

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4327, 4587, 12981, 47597, 142791, 601453, 1804359, 6615983, 19847949]

約数ペア:

[(1, 19847949), (3, 6615983), (11, 1804359), (33, 601453), (139, 142791), (417, 47597), (1529, 12981), (4327, 4587)]