19638866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4523}}^1$

素因数の和:4705

約数の個数: 16

約数和(自身を含む): 31921344

約数和(自身を除く): 12282478

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 4523, 9046, 58799, 117598, 755341, 1510682, 9819433, 19638866]

約数ペア:

[(1, 19638866), (2, 9819433), (13, 1510682), (26, 755341), (167, 117598), (334, 58799), (2171, 9046), (4342, 4523)]