18371680

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 43696800

約数和(自身を除く): 25325120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 577, 796, 995, 1154, 1592, 1990, 2308, 2885, 3184, 3980, 4616, 5770, 6368, 7960, 9232, 11540, 15920, 18464, 23080, 31840, 46160, 92320, 114823, 229646, 459292, 574115, 918584, 1148230, 1837168, 2296460, 3674336, 4592920, 9185840, 18371680]

約数ペア:

[(1, 18371680), (2, 9185840), (4, 4592920), (5, 3674336), (8, 2296460), (10, 1837168), (16, 1148230), (20, 918584), (32, 574115), (40, 459292), (80, 229646), (160, 114823), (199, 92320), (398, 46160), (577, 31840), (796, 23080), (995, 18464), (1154, 15920), (1592, 11540), (1990, 9232), (2308, 7960), (2885, 6368), (3184, 5770), (3980, 4616)]