17989751

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 20559840

約数和(自身を除く): 2570089

約数列:

[1, 13, 19, 173, 247, 421, 2249, 3287, 5473, 7999, 42731, 72833, 103987, 946829, 1383827, 17989751]

約数ペア:

[(1, 17989751), (13, 1383827), (19, 946829), (173, 103987), (247, 72833), (421, 42731), (2249, 7999), (3287, 5473)]