19307378

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 29400000

約数和(自身を除く): 10092622

約数列:

[1, 2, 139, 199, 278, 349, 398, 698, 27661, 48511, 55322, 69451, 97022, 138902, 9653689, 19307378]

約数ペア:

[(1, 19307378), (2, 9653689), (139, 138902), (199, 97022), (278, 69451), (349, 55322), (398, 48511), (698, 27661)]