18564565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4363}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 23879808

約数和(自身を除く): 5315243

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4363, 21815, 100349, 161431, 501745, 807155, 3712913, 18564565]

約数ペア:

[(1, 18564565), (5, 3712913), (23, 807155), (37, 501745), (115, 161431), (185, 100349), (851, 21815), (4255, 4363)]