18666622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1571}}^1$

素因数の和:2043

約数の個数: 16

約数和(自身を含む): 30238992

約数和(自身を除く): 11572370

約数列:

[1, 2, 13, 26, 457, 914, 1571, 3142, 5941, 11882, 20423, 40846, 717947, 1435894, 9333311, 18666622]

約数ペア:

[(1, 18666622), (2, 9333311), (13, 1435894), (26, 717947), (457, 40846), (914, 20423), (1571, 11882), (3142, 5941)]