18515456

素因数分解:

$2^9\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 60

約数和(自身を含む): 39205452

約数和(自身を除く): 20689996

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 128, 172, 232, 256, 344, 464, 512, 688, 841, 928, 1247, 1376, 1682, 1856, 2494, 2752, 3364, 3712, 4988, 5504, 6728, 7424, 9976, 11008, 13456, 14848, 19952, 22016, 26912, 36163, 39904, 53824, 72326, 79808, 107648, 144652, 159616, 215296, 289304, 319232, 430592, 578608, 638464, 1157216, 2314432, 4628864, 9257728, 18515456]

約数ペア:

[(1, 18515456), (2, 9257728), (4, 4628864), (8, 2314432), (16, 1157216), (29, 638464), (32, 578608), (43, 430592), (58, 319232), (64, 289304), (86, 215296), (116, 159616), (128, 144652), (172, 107648), (232, 79808), (256, 72326), (344, 53824), (464, 39904), (512, 36163), (688, 26912), (841, 22016), (928, 19952), (1247, 14848), (1376, 13456), (1682, 11008), (1856, 9976), (2494, 7424), (2752, 6728), (3364, 5504), (3712, 4988)]