19853910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 54084096

約数和(自身を除く): 34230186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 127, 135, 162, 193, 254, 270, 381, 386, 405, 579, 635, 762, 810, 965, 1143, 1158, 1270, 1737, 1905, 1930, 2286, 2895, 3429, 3474, 3810, 5211, 5715, 5790, 6858, 8685, 10287, 10422, 11430, 15633, 17145, 17370, 20574, 24511, 26055, 31266, 34290, 49022, 51435, 52110, 73533, 78165, 102870, 122555, 147066, 156330, 220599, 245110, 367665, 441198, 661797, 735330, 1102995, 1323594, 1985391, 2205990, 3308985, 3970782, 6617970, 9926955, 19853910]

約数ペア:

[(1, 19853910), (2, 9926955), (3, 6617970), (5, 3970782), (6, 3308985), (9, 2205990), (10, 1985391), (15, 1323594), (18, 1102995), (27, 735330), (30, 661797), (45, 441198), (54, 367665), (81, 245110), (90, 220599), (127, 156330), (135, 147066), (162, 122555), (193, 102870), (254, 78165), (270, 73533), (381, 52110), (386, 51435), (405, 49022), (579, 34290), (635, 31266), (762, 26055), (810, 24511), (965, 20574), (1143, 17370), (1158, 17145), (1270, 15633), (1737, 11430), (1905, 10422), (1930, 10287), (2286, 8685), (2895, 6858), (3429, 5790), (3474, 5715), (3810, 5211)]