18854095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{673}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 24458112

約数和(自身を除く): 5604017

約数列:

[1, 5, 13, 65, 431, 673, 2155, 3365, 5603, 8749, 28015, 43745, 290063, 1450315, 3770819, 18854095]

約数ペア:

[(1, 18854095), (5, 3770819), (13, 1450315), (65, 290063), (431, 43745), (673, 28015), (2155, 8749), (3365, 5603)]