18723718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3413}}^1$

素因数の和:3639

約数の個数: 16

約数和(自身を含む): 30398256

約数和(自身を除く): 11674538

約数列:

[1, 2, 13, 26, 211, 422, 2743, 3413, 5486, 6826, 44369, 88738, 720143, 1440286, 9361859, 18723718]

約数ペア:

[(1, 18723718), (2, 9361859), (13, 1440286), (26, 720143), (211, 88738), (422, 44369), (2743, 6826), (3413, 5486)]