20181873

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1289}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 8425167

約数列:

[1, 3, 17, 51, 307, 921, 1289, 3867, 5219, 15657, 21913, 65739, 395723, 1187169, 6727291, 20181873]

約数ペア:

[(1, 20181873), (3, 6727291), (17, 1187169), (51, 395723), (307, 65739), (921, 21913), (1289, 15657), (3867, 5219)]