19885646384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{1447}}^1$

素因数の和:1858

約数の個数: 80

約数和(自身を含む): 40334561280

約数和(自身を除く): 20448914896

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 269, 412, 496, 538, 824, 1076, 1447, 1648, 2152, 2894, 3193, 4304, 5788, 6386, 8339, 11576, 12772, 16678, 23152, 25544, 27707, 33356, 44857, 51088, 55414, 66712, 89714, 110828, 133424, 149041, 179428, 221656, 298082, 358856, 389243, 443312, 596164, 717712, 778486, 858917, 1192328, 1556972, 1717834, 2384656, 3113944, 3435668, 4620271, 6227888, 6871336, 9240542, 12066533, 13742672, 18481084, 24133066, 36962168, 40092029, 48266132, 73924336, 80184058, 96532264, 160368116, 193064528, 320736232, 641472464, 1242852899, 2485705798, 4971411596, 9942823192, 19885646384]

約数ペア:

[(1, 19885646384), (2, 9942823192), (4, 4971411596), (8, 2485705798), (16, 1242852899), (31, 641472464), (62, 320736232), (103, 193064528), (124, 160368116), (206, 96532264), (248, 80184058), (269, 73924336), (412, 48266132), (496, 40092029), (538, 36962168), (824, 24133066), (1076, 18481084), (1447, 13742672), (1648, 12066533), (2152, 9240542), (2894, 6871336), (3193, 6227888), (4304, 4620271), (5788, 3435668), (6386, 3113944), (8339, 2384656), (11576, 1717834), (12772, 1556972), (16678, 1192328), (23152, 858917), (25544, 778486), (27707, 717712), (33356, 596164), (44857, 443312), (51088, 389243), (55414, 358856), (66712, 298082), (89714, 221656), (110828, 179428), (133424, 149041)]