18804519951

素因数分解:

$3^1\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{601379}}^1$

素因数の和:602878

約数の個数: 16

約数和(自身を含む): 28673798400

約数和(自身を除く): 9869278449

約数列:

[1, 3, 7, 21, 1489, 4467, 10423, 31269, 601379, 1804137, 4209653, 12628959, 895453331, 2686359993, 6268173317, 18804519951]

約数ペア:

[(1, 18804519951), (3, 6268173317), (7, 2686359993), (21, 895453331), (1489, 12628959), (4467, 4209653), (10423, 1804137), (31269, 601379)]