19895248

素因数分解:

$2^4\times {\mathrm{67}}^2\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 30

約数和(自身を含む): 39272226

約数和(自身を除く): 19376978

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 277, 536, 554, 1072, 1108, 2216, 4432, 4489, 8978, 17956, 18559, 35912, 37118, 71824, 74236, 148472, 296944, 1243453, 2486906, 4973812, 9947624, 19895248]

約数ペア:

[(1, 19895248), (2, 9947624), (4, 4973812), (8, 2486906), (16, 1243453), (67, 296944), (134, 148472), (268, 74236), (277, 71824), (536, 37118), (554, 35912), (1072, 18559), (1108, 17956), (2216, 8978), (4432, 4489)]