17986484

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{211}}^2$

素因数の和:527

約数の個数: 18

約数和(自身を含む): 31939362

約数和(自身を除く): 13952878

約数列:

[1, 2, 4, 101, 202, 211, 404, 422, 844, 21311, 42622, 44521, 85244, 89042, 178084, 4496621, 8993242, 17986484]

約数ペア:

[(1, 17986484), (2, 8993242), (4, 4496621), (101, 178084), (202, 89042), (211, 85244), (404, 44521), (422, 42622), (844, 21311)]