18420585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12683415

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 499, 535, 1497, 1605, 2461, 2495, 7383, 7485, 11477, 12305, 34431, 36915, 53393, 57385, 160179, 172155, 266965, 800895, 1228039, 3684117, 6140195, 18420585]

約数ペア:

[(1, 18420585), (3, 6140195), (5, 3684117), (15, 1228039), (23, 800895), (69, 266965), (107, 172155), (115, 160179), (321, 57385), (345, 53393), (499, 36915), (535, 34431), (1497, 12305), (1605, 11477), (2461, 7485), (2495, 7383)]