18480371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6551}}^1$

素因数の和:6602

約数の個数: 16

約数和(自身を含む): 23482368

約数和(自身を除く): 5001997

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6551, 45857, 85163, 203081, 596141, 1421567, 2640053, 18480371]

約数ペア:

[(1, 18480371), (7, 2640053), (13, 1421567), (31, 596141), (91, 203081), (217, 85163), (403, 45857), (2821, 6551)]