18205121104

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27751709}}^1$

素因数の和:27751758

約数の個数: 20

約数和(自身を含む): 36132726420

約数和(自身を除く): 17927605316

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27751709, 55503418, 111006836, 222013672, 444027344, 1137820069, 2275640138, 4551280276, 9102560552, 18205121104]

約数ペア:

[(1, 18205121104), (2, 9102560552), (4, 4551280276), (8, 2275640138), (16, 1137820069), (41, 444027344), (82, 222013672), (164, 111006836), (328, 55503418), (656, 27751709)]