20189020918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{128509}}^1$

素因数の和:128752

約数の個数: 32

約数和(自身を含む): 34105525920

約数和(自身を除く): 13916505002

約数列:

[1, 2, 11, 22, 37, 74, 193, 386, 407, 814, 2123, 4246, 7141, 14282, 78551, 128509, 157102, 257018, 1413599, 2827198, 4754833, 9509666, 24802237, 49604474, 52303163, 104606326, 272824607, 545649214, 917682769, 1835365538, 10094510459, 20189020918]

約数ペア:

[(1, 20189020918), (2, 10094510459), (11, 1835365538), (22, 917682769), (37, 545649214), (74, 272824607), (193, 104606326), (386, 52303163), (407, 49604474), (814, 24802237), (2123, 9509666), (4246, 4754833), (7141, 2827198), (14282, 1413599), (78551, 257018), (128509, 157102)]