18011560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64327}}^1$

素因数の和:64345

約数の個数: 32

約数和(自身を含む): 46316160

約数和(自身を除く): 28304600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64327, 128654, 257308, 321635, 450289, 514616, 643270, 900578, 1286540, 1801156, 2251445, 2573080, 3602312, 4502890, 9005780, 18011560]

約数ペア:

[(1, 18011560), (2, 9005780), (4, 4502890), (5, 3602312), (7, 2573080), (8, 2251445), (10, 1801156), (14, 1286540), (20, 900578), (28, 643270), (35, 514616), (40, 450289), (56, 321635), (70, 257308), (140, 128654), (280, 64327)]