18365945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6571}}^1$

素因数の和:6632

約数の個数: 16

約数和(自身を含む): 24290112

約数和(自身を除く): 5924167

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6571, 32855, 85423, 282553, 427115, 1412765, 3673189, 18365945]

約数ペア:

[(1, 18365945), (5, 3673189), (13, 1412765), (43, 427115), (65, 282553), (215, 85423), (559, 32855), (2795, 6571)]