19797670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 36923040

約数和(自身を除く): 17125370

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 443, 545, 886, 1090, 2215, 4430, 4469, 8938, 18163, 22345, 36326, 44690, 48287, 90815, 96574, 181630, 241435, 482870, 1979767, 3959534, 9898835, 19797670]

約数ペア:

[(1, 19797670), (2, 9898835), (5, 3959534), (10, 1979767), (41, 482870), (82, 241435), (109, 181630), (205, 96574), (218, 90815), (410, 48287), (443, 44690), (545, 36326), (886, 22345), (1090, 18163), (2215, 8938), (4430, 4469)]