19894440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{859}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 60062400

約数和(自身を除く): 40167960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 859, 965, 1158, 1544, 1718, 1930, 2316, 2577, 2895, 3436, 3860, 4295, 4632, 5154, 5790, 6872, 7720, 8590, 10308, 11580, 12885, 17180, 20616, 23160, 25770, 34360, 51540, 103080, 165787, 331574, 497361, 663148, 828935, 994722, 1326296, 1657870, 1989444, 2486805, 3315740, 3978888, 4973610, 6631480, 9947220, 19894440]

約数ペア:

[(1, 19894440), (2, 9947220), (3, 6631480), (4, 4973610), (5, 3978888), (6, 3315740), (8, 2486805), (10, 1989444), (12, 1657870), (15, 1326296), (20, 994722), (24, 828935), (30, 663148), (40, 497361), (60, 331574), (120, 165787), (193, 103080), (386, 51540), (579, 34360), (772, 25770), (859, 23160), (965, 20616), (1158, 17180), (1544, 12885), (1718, 11580), (1930, 10308), (2316, 8590), (2577, 7720), (2895, 6872), (3436, 5790), (3860, 5154), (4295, 4632)]