18447872

素因数分解:

$2^9\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 40

約数和(自身を含む): 37269936

約数和(自身を除く): 18822064

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 263, 274, 512, 526, 548, 1052, 1096, 2104, 2192, 4208, 4384, 8416, 8768, 16832, 17536, 33664, 35072, 36031, 67328, 70144, 72062, 134656, 144124, 288248, 576496, 1152992, 2305984, 4611968, 9223936, 18447872]

約数ペア:

[(1, 18447872), (2, 9223936), (4, 4611968), (8, 2305984), (16, 1152992), (32, 576496), (64, 288248), (128, 144124), (137, 134656), (256, 72062), (263, 70144), (274, 67328), (512, 36031), (526, 35072), (548, 33664), (1052, 17536), (1096, 16832), (2104, 8768), (2192, 8416), (4208, 4384)]