11209990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 22252320

約数和(自身を除く): 11042330

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1009, 1010, 1111, 2018, 2222, 5045, 5555, 10090, 11099, 11110, 22198, 55495, 101909, 110990, 203818, 509545, 1019090, 1120999, 2241998, 5604995, 11209990]

約数ペア:

[(1, 11209990), (2, 5604995), (5, 2241998), (10, 1120999), (11, 1019090), (22, 509545), (55, 203818), (101, 110990), (110, 101909), (202, 55495), (505, 22198), (1009, 11110), (1010, 11099), (1111, 10090), (2018, 5555), (2222, 5045)]