17945709

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2113}}^1$

素因数の和:2284

約数の個数: 16

約数和(自身を含む): 25368000

約数和(自身を除く): 7422291

約数列:

[1, 3, 19, 57, 149, 447, 2113, 2831, 6339, 8493, 40147, 120441, 314837, 944511, 5981903, 17945709]

約数ペア:

[(1, 17945709), (3, 5981903), (19, 944511), (57, 314837), (149, 120441), (447, 40147), (2113, 8493), (2831, 6339)]