16922672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81359}}^1$

素因数の和:81380

約数の個数: 20

約数和(自身を含む): 35310240

約数和(自身を除く): 18387568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81359, 162718, 325436, 650872, 1057667, 1301744, 2115334, 4230668, 8461336, 16922672]

約数ペア:

[(1, 16922672), (2, 8461336), (4, 4230668), (8, 2115334), (13, 1301744), (16, 1057667), (26, 650872), (52, 325436), (104, 162718), (208, 81359)]