18889776

素因数分解:

$2^4\times 3^2\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:810

約数の個数: 60

約数和(自身を含む): 53186328

約数和(自身を除く): 34296552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 233, 466, 563, 699, 932, 1126, 1398, 1689, 1864, 2097, 2252, 2796, 3378, 3728, 4194, 4504, 5067, 5592, 6756, 8388, 9008, 10134, 11184, 13512, 16776, 20268, 27024, 33552, 40536, 81072, 131179, 262358, 393537, 524716, 787074, 1049432, 1180611, 1574148, 2098864, 2361222, 3148296, 4722444, 6296592, 9444888, 18889776]

約数ペア:

[(1, 18889776), (2, 9444888), (3, 6296592), (4, 4722444), (6, 3148296), (8, 2361222), (9, 2098864), (12, 1574148), (16, 1180611), (18, 1049432), (24, 787074), (36, 524716), (48, 393537), (72, 262358), (144, 131179), (233, 81072), (466, 40536), (563, 33552), (699, 27024), (932, 20268), (1126, 16776), (1398, 13512), (1689, 11184), (1864, 10134), (2097, 9008), (2252, 8388), (2796, 6756), (3378, 5592), (3728, 5067), (4194, 4504)]