18939395712

素因数分解:

$2^7\times 3^1\times {\mathrm{193}}^1\times {\mathrm{255551}}^1$

素因数の和:255761

約数の個数: 64

約数和(自身を含む): 50568629760

約数和(自身を除く): 31629234048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 193, 384, 386, 579, 772, 1158, 1544, 2316, 3088, 4632, 6176, 9264, 12352, 18528, 24704, 37056, 74112, 255551, 511102, 766653, 1022204, 1533306, 2044408, 3066612, 4088816, 6133224, 8177632, 12266448, 16355264, 24532896, 32710528, 49065792, 49321343, 98131584, 98642686, 147964029, 197285372, 295928058, 394570744, 591856116, 789141488, 1183712232, 1578282976, 2367424464, 3156565952, 4734848928, 6313131904, 9469697856, 18939395712]

約数ペア:

[(1, 18939395712), (2, 9469697856), (3, 6313131904), (4, 4734848928), (6, 3156565952), (8, 2367424464), (12, 1578282976), (16, 1183712232), (24, 789141488), (32, 591856116), (48, 394570744), (64, 295928058), (96, 197285372), (128, 147964029), (192, 98642686), (193, 98131584), (384, 49321343), (386, 49065792), (579, 32710528), (772, 24532896), (1158, 16355264), (1544, 12266448), (2316, 8177632), (3088, 6133224), (4632, 4088816), (6176, 3066612), (9264, 2044408), (12352, 1533306), (18528, 1022204), (24704, 766653), (37056, 511102), (74112, 255551)]