19918679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3673}}^1$

素因数の和:3730

約数の個数: 16

約数和(自身を含む): 23807520

約数和(自身を除く): 3888841

約数列:

[1, 11, 17, 29, 187, 319, 493, 3673, 5423, 40403, 62441, 106517, 686851, 1171687, 1810789, 19918679]

約数ペア:

[(1, 19918679), (11, 1810789), (17, 1171687), (29, 686851), (187, 106517), (319, 62441), (493, 40403), (3673, 5423)]