19376144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28163}}^1$

素因数の和:28214

約数の個数: 20

約数和(自身を含む): 38415696

約数和(自身を除く): 19039552

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28163, 56326, 112652, 225304, 450608, 1211009, 2422018, 4844036, 9688072, 19376144]

約数ペア:

[(1, 19376144), (2, 9688072), (4, 4844036), (8, 2422018), (16, 1211009), (43, 450608), (86, 225304), (172, 112652), (344, 56326), (688, 28163)]