19996244555

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1\times {\mathrm{10487}}^1$

素因数の和:11003

約数の個数: 32

約数和(自身を含む): 27680265216

約数和(自身を除く): 7684020661

約数列:

[1, 5, 7, 35, 157, 347, 785, 1099, 1735, 2429, 5495, 10487, 12145, 52435, 54479, 73409, 272395, 367045, 381353, 1646459, 1906765, 3638989, 8232295, 11525213, 18194945, 25472923, 57626065, 127364615, 571321273, 2856606365, 3999248911, 19996244555]

約数ペア:

[(1, 19996244555), (5, 3999248911), (7, 2856606365), (35, 571321273), (157, 127364615), (347, 57626065), (785, 25472923), (1099, 18194945), (1735, 11525213), (2429, 8232295), (5495, 3638989), (10487, 1906765), (12145, 1646459), (52435, 381353), (54479, 367045), (73409, 272395)]