199923988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{2273}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 382032000

約数和(自身を除く): 182108012

約数列:

[1, 2, 4, 11, 22, 44, 1999, 2273, 3998, 4546, 7996, 9092, 21989, 25003, 43978, 50006, 87956, 100012, 4543727, 9087454, 18174908, 49980997, 99961994, 199923988]

約数ペア:

[(1, 199923988), (2, 99961994), (4, 49980997), (11, 18174908), (22, 9087454), (44, 4543727), (1999, 100012), (2273, 87956), (3998, 50006), (4546, 43978), (7996, 25003), (9092, 21989)]