2019457180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13187}}^1$

素因数の和:13259

約数の個数: 96

約数和(自身を含む): 4962908160

約数和(自身を除く): 2943450980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1178, 1235, 1612, 2015, 2356, 2470, 2945, 4030, 4940, 5890, 7657, 8060, 11780, 13187, 15314, 26374, 30628, 38285, 52748, 65935, 76570, 131870, 153140, 171431, 250553, 263740, 342862, 408797, 501106, 685724, 817594, 857155, 1002212, 1252765, 1635188, 1714310, 2043985, 2505530, 3257189, 3428620, 4087970, 5011060, 5314361, 6514378, 7767143, 8175940, 10628722, 13028756, 15534286, 16285945, 21257444, 26571805, 31068572, 32571890, 38835715, 53143610, 65143780, 77671430, 100972859, 106287220, 155342860, 201945718, 403891436, 504864295, 1009728590, 2019457180]

約数ペア:

[(1, 2019457180), (2, 1009728590), (4, 504864295), (5, 403891436), (10, 201945718), (13, 155342860), (19, 106287220), (20, 100972859), (26, 77671430), (31, 65143780), (38, 53143610), (52, 38835715), (62, 32571890), (65, 31068572), (76, 26571805), (95, 21257444), (124, 16285945), (130, 15534286), (155, 13028756), (190, 10628722), (247, 8175940), (260, 7767143), (310, 6514378), (380, 5314361), (403, 5011060), (494, 4087970), (589, 3428620), (620, 3257189), (806, 2505530), (988, 2043985), (1178, 1714310), (1235, 1635188), (1612, 1252765), (2015, 1002212), (2356, 857155), (2470, 817594), (2945, 685724), (4030, 501106), (4940, 408797), (5890, 342862), (7657, 263740), (8060, 250553), (11780, 171431), (13187, 153140), (15314, 131870), (26374, 76570), (30628, 65935), (38285, 52748)]