19457792

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 54

約数和(自身を含む): 41415528

約数和(自身を除く): 21957736

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 263, 272, 289, 526, 544, 578, 1052, 1088, 1156, 2104, 2176, 2312, 4208, 4352, 4471, 4624, 8416, 8942, 9248, 16832, 17884, 18496, 33664, 35768, 36992, 67328, 71536, 73984, 76007, 143072, 152014, 286144, 304028, 572288, 608056, 1144576, 1216112, 2432224, 4864448, 9728896, 19457792]

約数ペア:

[(1, 19457792), (2, 9728896), (4, 4864448), (8, 2432224), (16, 1216112), (17, 1144576), (32, 608056), (34, 572288), (64, 304028), (68, 286144), (128, 152014), (136, 143072), (256, 76007), (263, 73984), (272, 71536), (289, 67328), (526, 36992), (544, 35768), (578, 33664), (1052, 18496), (1088, 17884), (1156, 16832), (2104, 9248), (2176, 8942), (2312, 8416), (4208, 4624), (4352, 4471)]