31361818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 20478182

約数列:

[1, 2, 19, 29, 38, 58, 149, 191, 298, 382, 551, 1102, 2831, 3629, 4321, 5539, 5662, 7258, 8642, 11078, 28459, 56918, 82099, 105241, 164198, 210482, 540721, 825311, 1081442, 1650622, 15680909, 31361818]

約数ペア:

[(1, 31361818), (2, 15680909), (19, 1650622), (29, 1081442), (38, 825311), (58, 540721), (149, 210482), (191, 164198), (298, 105241), (382, 82099), (551, 56918), (1102, 28459), (2831, 11078), (3629, 8642), (4321, 7258), (5539, 5662)]