19680777790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3547}}^1$

素因数の和:3674

約数の個数: 96

約数和(自身を含む): 39418138080

約数和(自身を除く): 19737360290

約数列:

[1, 2, 5, 10, 19, 29, 38, 53, 58, 95, 106, 145, 190, 265, 290, 361, 530, 551, 722, 1007, 1102, 1537, 1805, 2014, 2755, 3074, 3547, 3610, 5035, 5510, 7094, 7685, 10070, 10469, 15370, 17735, 19133, 20938, 29203, 35470, 38266, 52345, 58406, 67393, 95665, 102863, 104690, 134786, 146015, 187991, 191330, 205726, 292030, 336965, 375982, 514315, 554857, 673930, 939955, 1028630, 1109714, 1280467, 1879910, 1954397, 2560934, 2774285, 3571829, 3908794, 5451739, 5548570, 6402335, 7143658, 9771985, 10903478, 12804670, 17859145, 19543970, 27258695, 35718290, 37133543, 54517390, 67864751, 74267086, 103583041, 135729502, 185667715, 207166082, 339323755, 371335430, 517915205, 678647510, 1035830410, 1968077779, 3936155558, 9840388895, 19680777790]

約数ペア:

[(1, 19680777790), (2, 9840388895), (5, 3936155558), (10, 1968077779), (19, 1035830410), (29, 678647510), (38, 517915205), (53, 371335430), (58, 339323755), (95, 207166082), (106, 185667715), (145, 135729502), (190, 103583041), (265, 74267086), (290, 67864751), (361, 54517390), (530, 37133543), (551, 35718290), (722, 27258695), (1007, 19543970), (1102, 17859145), (1537, 12804670), (1805, 10903478), (2014, 9771985), (2755, 7143658), (3074, 6402335), (3547, 5548570), (3610, 5451739), (5035, 3908794), (5510, 3571829), (7094, 2774285), (7685, 2560934), (10070, 1954397), (10469, 1879910), (15370, 1280467), (17735, 1109714), (19133, 1028630), (20938, 939955), (29203, 673930), (35470, 554857), (38266, 514315), (52345, 375982), (58406, 336965), (67393, 292030), (95665, 205726), (102863, 191330), (104690, 187991), (134786, 146015)]