18520870856

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{288559}}^1$

素因数の和:288749

約数の個数: 32

約数和(自身を含む): 35527507200

約数和(自身を除く): 17006636344

約数列:

[1, 2, 4, 8, 71, 113, 142, 226, 284, 452, 568, 904, 8023, 16046, 32092, 64184, 288559, 577118, 1154236, 2308472, 20487689, 32607167, 40975378, 65214334, 81950756, 130428668, 163901512, 260857336, 2315108857, 4630217714, 9260435428, 18520870856]

約数ペア:

[(1, 18520870856), (2, 9260435428), (4, 4630217714), (8, 2315108857), (71, 260857336), (113, 163901512), (142, 130428668), (226, 81950756), (284, 65214334), (452, 40975378), (568, 32607167), (904, 20487689), (8023, 2308472), (16046, 1154236), (32092, 577118), (64184, 288559)]