17980192

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 18942848

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 146, 172, 179, 292, 344, 358, 584, 688, 716, 1168, 1376, 1432, 2336, 2864, 3139, 5728, 6278, 7697, 12556, 13067, 15394, 25112, 26134, 30788, 50224, 52268, 61576, 100448, 104536, 123152, 209072, 246304, 418144, 561881, 1123762, 2247524, 4495048, 8990096, 17980192]

約数ペア:

[(1, 17980192), (2, 8990096), (4, 4495048), (8, 2247524), (16, 1123762), (32, 561881), (43, 418144), (73, 246304), (86, 209072), (146, 123152), (172, 104536), (179, 100448), (292, 61576), (344, 52268), (358, 50224), (584, 30788), (688, 26134), (716, 25112), (1168, 15394), (1376, 13067), (1432, 12556), (2336, 7697), (2864, 6278), (3139, 5728)]