19704704

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 39474000

約数和(自身を除く): 19769296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 599, 1028, 1198, 2056, 2396, 4112, 4792, 8224, 9584, 16448, 19168, 32896, 38336, 76672, 153943, 307886, 615772, 1231544, 2463088, 4926176, 9852352, 19704704]

約数ペア:

[(1, 19704704), (2, 9852352), (4, 4926176), (8, 2463088), (16, 1231544), (32, 615772), (64, 307886), (128, 153943), (257, 76672), (514, 38336), (599, 32896), (1028, 19168), (1198, 16448), (2056, 9584), (2396, 8224), (4112, 4792)]