19489894

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 29837808

約数和(自身を除く): 10347914

約数列:

[1, 2, 83, 137, 166, 274, 857, 1714, 11371, 22742, 71131, 117409, 142262, 234818, 9744947, 19489894]

約数ペア:

[(1, 19489894), (2, 9744947), (83, 234818), (137, 142262), (166, 117409), (274, 71131), (857, 22742), (1714, 11371)]