209315894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{20477}}^1$

素因数の和:20767

約数の個数: 16

約数和(自身を含む): 331743600

約数和(自身を除く): 122427706

約数列:

[1, 2, 19, 38, 269, 538, 5111, 10222, 20477, 40954, 389063, 778126, 5508313, 11016626, 104657947, 209315894]

約数ペア:

[(1, 209315894), (2, 104657947), (19, 11016626), (38, 5508313), (269, 778126), (538, 389063), (5111, 40954), (10222, 20477)]