18528440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66173}}^1$

素因数の和:66191

約数の個数: 32

約数和(自身を含む): 47645280

約数和(自身を除く): 29116840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66173, 132346, 264692, 330865, 463211, 529384, 661730, 926422, 1323460, 1852844, 2316055, 2646920, 3705688, 4632110, 9264220, 18528440]

約数ペア:

[(1, 18528440), (2, 9264220), (4, 4632110), (5, 3705688), (7, 2646920), (8, 2316055), (10, 1852844), (14, 1323460), (20, 926422), (28, 661730), (35, 529384), (40, 463211), (56, 330865), (70, 264692), (140, 132346), (280, 66173)]