19415887

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 18

約数和(自身を含む): 21730688

約数和(自身を除く): 2314801

約数列:

[1, 17, 23, 127, 289, 391, 529, 2159, 2921, 6647, 8993, 36703, 49657, 67183, 152881, 844169, 1142111, 19415887]

約数ペア:

[(1, 19415887), (17, 1142111), (23, 844169), (127, 152881), (289, 67183), (391, 49657), (529, 36703), (2159, 8993), (2921, 6647)]