18378139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 21143808

約数和(自身を除く): 2765669

約数列:

[1, 13, 17, 137, 221, 607, 1781, 2329, 7891, 10319, 30277, 83159, 134147, 1081067, 1413703, 18378139]

約数ペア:

[(1, 18378139), (13, 1413703), (17, 1081067), (137, 134147), (221, 83159), (607, 30277), (1781, 10319), (2329, 7891)]