18729295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6701}}^1$

素因数の和:6762

約数の個数: 16

約数和(自身を含む): 24770592

約数和(自身を除く): 6041297

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6701, 33505, 87113, 288143, 435565, 1440715, 3745859, 18729295]

約数ペア:

[(1, 18729295), (5, 3745859), (13, 1440715), (43, 435565), (65, 288143), (215, 87113), (559, 33505), (2795, 6701)]