18422784

素因数分解:

$2^{10}\times 3^2\times {\mathrm{1999}}^1$

素因数の和:2025

約数の個数: 66

約数和(自身を含む): 53222000

約数和(自身を除く): 34799216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 1999, 2304, 3072, 3998, 4608, 5997, 7996, 9216, 11994, 15992, 17991, 23988, 31984, 35982, 47976, 63968, 71964, 95952, 127936, 143928, 191904, 255872, 287856, 383808, 511744, 575712, 767616, 1023488, 1151424, 1535232, 2046976, 2302848, 3070464, 4605696, 6140928, 9211392, 18422784]

約数ペア:

[(1, 18422784), (2, 9211392), (3, 6140928), (4, 4605696), (6, 3070464), (8, 2302848), (9, 2046976), (12, 1535232), (16, 1151424), (18, 1023488), (24, 767616), (32, 575712), (36, 511744), (48, 383808), (64, 287856), (72, 255872), (96, 191904), (128, 143928), (144, 127936), (192, 95952), (256, 71964), (288, 63968), (384, 47976), (512, 35982), (576, 31984), (768, 23988), (1024, 17991), (1152, 15992), (1536, 11994), (1999, 9216), (2304, 7996), (3072, 5997), (3998, 4608)]