2018070940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{26687}}^1$

素因数の和:26914

約数の個数: 48

約数和(自身を含む): 4483584000

約数和(自身を除く): 2465513060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 380, 398, 796, 995, 1990, 3781, 3980, 7562, 15124, 18905, 26687, 37810, 53374, 75620, 106748, 133435, 266870, 507053, 533740, 1014106, 2028212, 2535265, 5070530, 5310713, 10141060, 10621426, 21242852, 26553565, 53107130, 100903547, 106214260, 201807094, 403614188, 504517735, 1009035470, 2018070940]

約数ペア:

[(1, 2018070940), (2, 1009035470), (4, 504517735), (5, 403614188), (10, 201807094), (19, 106214260), (20, 100903547), (38, 53107130), (76, 26553565), (95, 21242852), (190, 10621426), (199, 10141060), (380, 5310713), (398, 5070530), (796, 2535265), (995, 2028212), (1990, 1014106), (3781, 533740), (3980, 507053), (7562, 266870), (15124, 133435), (18905, 106748), (26687, 75620), (37810, 53374)]