19493856

素因数分解:

$2^5\times 3^2\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:728

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 36525744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 113, 144, 226, 288, 339, 452, 599, 678, 904, 1017, 1198, 1356, 1797, 1808, 2034, 2396, 2712, 3594, 3616, 4068, 4792, 5391, 5424, 7188, 8136, 9584, 10782, 10848, 14376, 16272, 19168, 21564, 28752, 32544, 43128, 57504, 67687, 86256, 135374, 172512, 203061, 270748, 406122, 541496, 609183, 812244, 1082992, 1218366, 1624488, 2165984, 2436732, 3248976, 4873464, 6497952, 9746928, 19493856]

約数ペア:

[(1, 19493856), (2, 9746928), (3, 6497952), (4, 4873464), (6, 3248976), (8, 2436732), (9, 2165984), (12, 1624488), (16, 1218366), (18, 1082992), (24, 812244), (32, 609183), (36, 541496), (48, 406122), (72, 270748), (96, 203061), (113, 172512), (144, 135374), (226, 86256), (288, 67687), (339, 57504), (452, 43128), (599, 32544), (678, 28752), (904, 21564), (1017, 19168), (1198, 16272), (1356, 14376), (1797, 10848), (1808, 10782), (2034, 9584), (2396, 8136), (2712, 7188), (3594, 5424), (3616, 5391), (4068, 4792)]