19395638

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1207

約数の個数: 16

約数和(自身を含む): 29748384

約数和(自身を除く): 10352746

約数列:

[1, 2, 71, 137, 142, 274, 997, 1994, 9727, 19454, 70787, 136589, 141574, 273178, 9697819, 19395638]

約数ペア:

[(1, 19395638), (2, 9697819), (71, 273178), (137, 141574), (142, 136589), (274, 70787), (997, 19454), (1994, 9727)]