19802247

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 27007200

約数和(自身を除く): 7204953

約数列:

[1, 3, 61, 183, 241, 449, 723, 1347, 14701, 27389, 44103, 82167, 108209, 324627, 6600749, 19802247]

約数ペア:

[(1, 19802247), (3, 6600749), (61, 324627), (183, 108209), (241, 82167), (449, 44103), (723, 27389), (1347, 14701)]