18804947885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2800439}}^1$

素因数の和:2800540

約数の個数: 16

約数和(自身を含む): 24195801600

約数和(自身を除く): 5390853715

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 2800439, 14002195, 47607463, 221234681, 238037315, 1106173405, 3760989577, 18804947885]

約数ペア:

[(1, 18804947885), (5, 3760989577), (17, 1106173405), (79, 238037315), (85, 221234681), (395, 47607463), (1343, 14002195), (6715, 2800439)]