18670240

素因数分解:

$2^5\times 5^1\times {\mathrm{116689}}^1$

素因数の和:116704

約数の個数: 24

約数和(自身を含む): 44108820

約数和(自身を除く): 25438580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116689, 233378, 466756, 583445, 933512, 1166890, 1867024, 2333780, 3734048, 4667560, 9335120, 18670240]

約数ペア:

[(1, 18670240), (2, 9335120), (4, 4667560), (5, 3734048), (8, 2333780), (10, 1867024), (16, 1166890), (20, 933512), (32, 583445), (40, 466756), (80, 233378), (160, 116689)]