19865028337

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1296419}}^1$

素因数の和:1296636

約数の個数: 16

約数和(自身を含む): 24891264000

約数和(自身を除く): 5026235663

約数列:

[1, 7, 11, 77, 199, 1393, 2189, 15323, 1296419, 9074933, 14260609, 99824263, 257987381, 1805911667, 2837861191, 19865028337]

約数ペア:

[(1, 19865028337), (7, 2837861191), (11, 1805911667), (77, 257987381), (199, 99824263), (1393, 14260609), (2189, 9074933), (15323, 1296419)]