18686226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239567}}^1$

素因数の和:239585

約数の個数: 16

約数和(自身を含む): 40247424

約数和(自身を除く): 21561198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239567, 479134, 718701, 1437402, 3114371, 6228742, 9343113, 18686226]

約数ペア:

[(1, 18686226), (2, 9343113), (3, 6228742), (6, 3114371), (13, 1437402), (26, 718701), (39, 479134), (78, 239567)]