16986380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44701}}^1$

素因数の和:44729

約数の個数: 24

約数和(自身を含む): 37549680

約数和(自身を除く): 20563300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44701, 89402, 178804, 223505, 447010, 849319, 894020, 1698638, 3397276, 4246595, 8493190, 16986380]

約数ペア:

[(1, 16986380), (2, 8493190), (4, 4246595), (5, 3397276), (10, 1698638), (19, 894020), (20, 849319), (38, 447010), (76, 223505), (95, 178804), (190, 89402), (380, 44701)]