1813309949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 2142878976

約数和(自身を除く): 329569027

約数列:

[1, 11, 23, 37, 97, 253, 407, 851, 1067, 1997, 2231, 3589, 9361, 21967, 24541, 39479, 45931, 73889, 82547, 193709, 505241, 812779, 908017, 1699447, 2130799, 4455307, 7167233, 18693917, 49008377, 78839563, 164846359, 1813309949]

約数ペア:

[(1, 1813309949), (11, 164846359), (23, 78839563), (37, 49008377), (97, 18693917), (253, 7167233), (407, 4455307), (851, 2130799), (1067, 1699447), (1997, 908017), (2231, 812779), (3589, 505241), (9361, 193709), (21967, 82547), (24541, 73889), (39479, 45931)]