19941868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 37033920

約数和(自身を除く): 17092052

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2003, 2489, 4006, 4978, 8012, 9956, 38057, 76114, 152228, 262393, 524786, 1049572, 4985467, 9970934, 19941868]

約数ペア:

[(1, 19941868), (2, 9970934), (4, 4985467), (19, 1049572), (38, 524786), (76, 262393), (131, 152228), (262, 76114), (524, 38057), (2003, 9956), (2489, 8012), (4006, 4978)]