18206965

素因数分解:

$5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{857}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 25039872

約数和(自身を除く): 6832907

約数列:

[1, 5, 7, 35, 607, 857, 3035, 4249, 4285, 5999, 21245, 29995, 520199, 2600995, 3641393, 18206965]

約数ペア:

[(1, 18206965), (5, 3641393), (7, 2600995), (35, 520199), (607, 29995), (857, 21245), (3035, 5999), (4249, 4285)]